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Botox for sweating and teeth grinding: hyperhidrosis, bruxism and other medical uses of toxin

Botox for sweating and teeth grinding: hyperhidrosis, bruxism and other medical uses of toxin

In short: Botulinum toxin is far more than an anti-wrinkle treatment. It blocks the release of acetylcholine, the chemical messenger that activates both muscles and sweat glands, which makes it useful for excessive sweating of the armpits, hands, feet and face, for teeth grinding and jaw clenching (bruxism), and, in specialist medical care, for chronic migraine and certain muscle disorders. For underarm sweating, a landmark trial showed a dramatic reduction in sweat production lasting at least six months. For bruxism, a 2026 meta-analysis found that toxin and night splints relieve pain similarly, with splints preferred to protect the teeth. Treatment must be done by a doctor with a licensed product; recent outbreaks of botulism linked to unlicensed products show why. In Tunisia, toxin injections cost around 60 % less than in Switzerland, with a free personal quote within 48 hours.

This guide is written for people living in Switzerland, including English-speaking expatriates in Geneva, Zurich, Basel and Lausanne, who suffer from excessive sweating or jaw clenching, or who want to understand the medical side of botulinum toxin. Our guide to Botox and fillers for the face covers cosmetic uses, and our 2026 aesthetic medicine guide gives the general picture. Here we focus on hyperhidrosis, bruxism and other medical uses.

Contents

How does botulinum toxin work?

What is botulinum toxin?

Botulinum toxin is a protein produced by the bacterium Clostridium botulinum. In minute, purified and precisely measured doses, it is used as a medicine. Several products exist on the market under different brand names, and their units are not interchangeable: a dose expressed in units of one product does not correspond to the same number of units of another. This is one reason why dosing must be left to a trained doctor.

Why does it work on both muscles and sweat glands?

Nerves send signals to muscles and to sweat glands by releasing a messenger called acetylcholine. Botulinum toxin blocks this release at the nerve endings where it is injected. In muscles, this produces a temporary relaxation; in sweat glands, a temporary reduction of sweating. The landmark trial on underarm sweating published in the New England Journal of Medicine in 2001 (Heckmann and colleagues) describes exactly this mechanism.

Is the effect permanent?

No. The nerve endings gradually recover, and the effect wears off after a number of months, which varies with the area treated, the dose and the person. Treatment is therefore repeated when symptoms return. For underarm sweating, the 2001 trial still found sweat production well below baseline 24 weeks after injection.

How quickly does it act?

The effect appears progressively over several days. In the 2001 trial, sweat production had fallen dramatically when measured two weeks after the injections. For bruxism and other muscle uses, the effect also builds over the first one to two weeks.

What is new in 2025 and 2026?

What does the latest research say about bruxism?

A systematic review and meta-analysis by Aldosari and colleagues, published in Cranio in June 2026, compared occlusal splints and botulinum toxin for the consequences of sleep bruxism in adults, using 36 studies. Both reduced pain, with no statistically significant difference between them at intermediate follow-up; some studies found faster short-term relief with toxin, which also temporarily reduced jaw muscle activity and bite force. The authors conclude that splints remain the preferred conservative option when the aim is to protect the teeth mechanically. A broader review by Assiri and colleagues (Medicine, December 2025) concluded that no single treatment works for everyone with bruxism and that combined approaches may give the best results.

What about sweating?

An updated review of primary hyperhidrosis by Maazi and colleagues, published in Drugs in Context in 2025, estimates that its prevalence ranges from 0.072 % to 9 % depending on the population studied and that primary forms account for 93 % of all cases of excessive sweating. Treatment options range from antiperspirants and topical anticholinergics to tablets, devices such as iontophoresis and microwave therapy, botulinum toxin injections and surgery. A Scandinavian study published in 2024 (Eilertsen and colleagues) reported that toxin treatment of the palms and soles improved patients’ quality-of-life scores from 13 to 2 on a standard dermatology scale two weeks after treatment.

Have there been safety alerts?

Yes. In June 2025, 25 cases of botulism were identified in North East England among people who had received cosmetic toxin injections, as reported in Eurosurveillance in October 2025 (Jasperse and colleagues). Cases were linked to two practitioners and to an unlicensed product; testing of a seized vial found a potency of 370 units instead of the 200 units on its label. In China, a 2025 study (Qiu and colleagues) described 161 cases of cosmetic-related botulism over ten years, most after injections of products of unknown origin by unlicensed practitioners outside medical settings, with most outbreaks occurring in 2024. These alerts concern illegal or unlicensed products, not licensed medicines used by doctors, but they show why the source of the product and the qualifications of the injector matter.

Hyperhidrosis: when sweating becomes a medical problem

What is hyperhidrosis?

Hyperhidrosis is sweating beyond what the body needs to regulate its temperature. It is called primary, or focal, when it has no underlying cause and affects specific areas, typically the armpits, palms, soles or face, often starting in childhood or adolescence. It is called secondary when it is caused by another condition or a medicine, and then it often affects the whole body.

How common is it?

Common, and under-treated. A survey in the United States by Doolittle and colleagues (2016) estimated the prevalence of hyperhidrosis at 4.8 %. Of those affected, 70 % reported severe sweating in at least one area, but only 51 % had discussed it with a health professional. The main reasons given were the belief that it is not a medical condition and that no treatment exists. Both beliefs are wrong.

How does it affect daily life?

People with hyperhidrosis often describe soaked shirts after a few minutes, avoiding handshakes, damaging paper or touchscreens with wet hands, slipping in sandals, changing clothes several times a day, avoiding light-coloured clothes or presentations at work, and embarrassment in intimate situations. These are real impacts on work, social life and wellbeing.

When should excessive sweating be investigated?

See a doctor before any treatment if the sweating started suddenly in adulthood, affects the whole body, occurs mainly at night, is on one side only, or comes with weight loss, fever, palpitations or other symptoms. These features suggest secondary sweating, which can be caused by thyroid disorders, diabetes, infections, menopause, some medicines (including certain antidepressants) and, rarely, other diseases. Treating the cause is then the priority.

Feature Suggests primary focal hyperhidrosis Suggests secondary sweating
Age at onset Childhood or adolescence Adulthood, sudden onset
Areas affected Armpits, palms, soles, face, on both sides Whole body, or one side only
At night Usually no sweating during sleep Night sweats common
Family history Often present Not typical
Other symptoms None Weight loss, fever, palpitations, new medicines

How is hyperhidrosis diagnosed and graded?

Is there a test for excessive sweating?

The diagnosis is mainly clinical: the doctor asks where, when and since when you sweat, looks at the areas concerned and checks for signs of a secondary cause. Two simple tools help. The starch-iodine test (also called Minor’s test) colours the sweating skin dark blue or purple and maps the exact area to inject. Gravimetry weighs the sweat absorbed by filter paper over a set time; it is the method behind the milligrams per minute reported in the 2001 armpit trial, and it is used mostly in research or to document severe cases.

What is the Hyperhidrosis Disease Severity Scale?

The Hyperhidrosis Disease Severity Scale (HDSS) is a short questionnaire in which you rate how much your sweating interferes with daily activities, on a scale from 1 (never noticeable, never interferes) to 4 (intolerable, always interferes). It takes less than a minute, has been validated in several languages, and correlates with quality-of-life questionnaires, as a 2016 Brazilian validation study by Varella and colleagues confirmed. Write down your score before treatment: comparing it a few weeks later is a simple way to judge whether the treatment has worked.

How does the severity guide treatment?

The Canadian Hyperhidrosis Advisory Committee (Solish and colleagues, Dermatologic Surgery, 2007) proposed an algorithm that combines severity and location. A 2018 review in American Family Physician (McConaghy and Fosselman) gives a similar picture, adding that topical glycopyrrolate is a first-line option for facial sweating and that local microwave therapy is a newer option for the armpits. Availability of these products varies between countries, so your dermatologist will adapt the plan.

Situation Suggested first steps (Canadian recommendations, 2007) If insufficient
Armpits, palms or soles, moderate (HDSS 2) Topical aluminium chloride Botulinum toxin; iontophoresis for palms and soles
Armpits, palms or soles, severe (HDSS 3 or 4) Botulinum toxin and topical aluminium chloride; iontophoresis for palms and soles Combination of treatments, specialist review
Face and scalp Oral medicines, botulinum toxin or topical aluminium chloride Specialist review
All areas, after failure of everything else Local surgery for the armpits; endoscopic thoracic sympathectomy for palms and soles, only as a last resort

Treatments for sweating, step by step

What should be tried first?

For underarm sweating, strong antiperspirants based on aluminium salts, applied in the evening to dry skin, are usually the first step. They can irritate the skin; using them less often once sweating is controlled helps. Clothing in breathable or moisture-wicking fabrics and changing socks and shoes regularly help for the feet.

What is iontophoresis?

Iontophoresis is a treatment for the hands and feet in which they are placed in shallow trays of tap water through which a mild electric current is passed. It is done in repeated sessions, first frequently, then for maintenance, and devices exist for home use. Many people with sweaty palms or soles find it effective, though it requires perseverance.

Are there tablets for sweating?

Oral anticholinergic medicines reduce sweating throughout the body. Their side effects, such as dry mouth, blurred vision, constipation and difficulty urinating, limit their use, and they are not suitable for everyone, particularly older people. Topical anticholinergic creams or wipes exist in some countries for underarm sweating. Your dermatologist will advise on what is available and appropriate.

And surgery?

Surgery on the sympathetic nerves in the chest (sympathectomy) can stop sweating of the hands, but it can cause compensatory sweating elsewhere on the body, which some people find worse than the original problem and which may not be reversible. Local procedures for the armpits, such as removal or destruction of sweat glands by suction, surgery or microwave energy, also exist. These are decisions to take with a specialist after less invasive options.

Where does botulinum toxin fit in?

Toxin injections are usually considered when topical treatments are insufficient or poorly tolerated, especially for the armpits, and as an alternative or complement to iontophoresis for the hands and feet. Medespoir’s French page on toxin injections presents it as an alternative to surgery for excessive sweating of the hands, armpits, feet and face, avoiding the downtime, swelling, bruising and scars of an operation.

Struggling with excessive sweating? Request a free quote and describe the areas concerned and what you have already tried. You will receive a personal answer within 48 hours.

Toxin for underarm sweating

How effective is it?

Very effective. In the 2001 trial by Heckmann and colleagues, 145 patients with severe underarm sweating that had not responded to aluminium chloride for more than a year received toxin in one armpit and placebo in the other. Two weeks later, average sweat production in the treated armpit had fallen from 192 to 24 milligrams per minute, compared with 144 in the placebo armpit. After the placebo side was then treated, both armpits remained well below baseline at 24 weeks, and 98 % of patients said they would recommend the treatment.

How is the treatment done?

The doctor may first perform a simple starch-iodine test to map the sweating area. The skin is cleaned, and many small injections are placed just under the skin over the whole sweating area. The session lasts about 15 to 30 minutes. Most people find the injections tolerable; numbing cream or ice can be used. You can return to normal activities immediately, avoiding intense exercise and saunas for the rest of the day.

Are there side effects?

In the armpits, side effects are usually minor: small bruises, temporary tenderness, and occasionally a feeling of increased sweating elsewhere, which is generally mild. Because the armpit has no important muscles close to the surface, there is no risk of muscle weakness affecting the arm when the injections are placed correctly.

How often must it be repeated?

When sweating returns, which is typically after a number of months and varies from person to person. Many patients schedule a treatment before summer or before a period of stress, such as exams or an important project. Keep a simple diary of when the sweating returns to plan the next session.

Hands, feet, face and scalp

Is treatment of the palms different?

Yes. The palms are more sensitive, so effective numbing (nerve blocks, cooling or other techniques) is important. The small muscles of the hand lie close to the injection sites, and temporary weakness of grip, particularly of the thumb, can occur; a 2014 study by Kouris and colleagues specifically examined how to prevent this muscle weakness. In the 2024 Scandinavian study, toxin type B was used in the thenar and hypothenar areas, the fleshy parts of the palm at the base of the thumb and little finger, to avoid muscle weakness. If you play a musical instrument, do precision manual work or climb, discuss timing with your doctor.

And the soles of the feet?

Toxin can also be injected into the soles, but the injections are more painful, and the 2024 study used relatively high doses of toxin type B for the feet. Iontophoresis remains an important option for the feet. Fungal infections and odour often accompany sweaty feet and should be treated in parallel.

Can facial and scalp sweating be treated?

Yes, with care. Sweating of the forehead, scalp or upper lip can be treated with fine injections, but the muscles of facial expression lie close by, and the forehead treatment can affect eyebrow movement. A 2025 review by Perez and colleagues in Toxins discusses uses of toxin for scalp disorders. Sweating of the cheek while eating, known as gustatory sweating or Frey’s syndrome, can occur after surgery on the parotid gland and also responds to toxin.

Can several areas be treated in one session?

Often yes, within the maximum safe dose. The doctor will decide which areas to prioritise, based on the total dose and your symptoms.

Area Main alternatives Specific points with toxin
Armpits Aluminium-based antiperspirants, local procedures Well-established, generally well tolerated
Palms Iontophoresis, tablets Pain control needed; risk of temporary grip weakness
Soles Iontophoresis, foot care Painful injections; higher doses
Forehead and scalp Topical treatments, tablets Risk of affecting eyebrow movement
Cheek when eating (Frey’s syndrome) Topical treatments Responds well to targeted injections

Bruxism: grinding and clenching

What is bruxism?

Bruxism is repetitive activity of the jaw muscles, either grinding the teeth together or clenching them. It can occur during sleep (sleep bruxism) or while awake (awake bruxism), often unconsciously during concentration or stress. Many people do not know they do it until a partner hears grinding at night or a dentist sees signs of wear.

Is bruxism a disease?

Not necessarily. An international expert consensus led by Lobbezoo and published in the Journal of Oral Rehabilitation in 2018 defines sleep bruxism and awake bruxism as two distinct jaw muscle activities, one occurring during sleep and the other while awake, the latter characterised by repeated or sustained tooth contact or by bracing or pushing the jaw. The experts concluded that, in otherwise healthy people, bruxism should not be regarded as a disorder but as a behaviour that can be a risk factor, and sometimes even a protective factor, for certain consequences. In practice, this means that treatment targets the consequences that bother you, such as pain, headaches, tooth wear or broken restorations, rather than the grinding itself. The consensus also notes that bruxism can be assessed by self-report, clinical examination and instrumental measurements such as electromyography, which records muscle activity.

What are the signs?

  • Worn, flattened, chipped or cracked teeth, or broken fillings and crowns.
  • Pain or tiredness in the jaw muscles on waking.
  • Headaches in the temples, especially in the morning.
  • Enlarged, firm masseter muscles at the angle of the jaw, giving a square face.
  • Sensitive teeth, notches at the gum line, or a ridge on the inside of the cheeks.
  • Clicking or pain in the jaw joint.

What causes it?

Causes are multiple and often combined: stress and anxiety, sleep disorders including sleep apnoea, certain medicines such as some antidepressants, caffeine, alcohol, smoking and recreational drugs. The bite itself is no longer considered the main cause in most cases. If you snore loudly, wake up tired or your partner notices breathing pauses, mention it to your doctor: sleep apnoea needs its own assessment.

Why does bruxism matter?

Over years, bruxism can wear down teeth, break restorations, overload implants and crowns, and cause chronic muscle pain and headaches. For people who have invested in crowns, veneers or implants, protecting this work is a major reason to treat bruxism. Our guide to veneers and smile makeovers explains why bruxism must be addressed before cosmetic dental work.

Toxin for bruxism: what the evidence says

How does toxin help bruxism?

Injected into the masseter muscles at the angle of the jaw, and sometimes the temporal muscles at the side of the head, toxin reduces the force of contraction. It does not stop the brain from triggering the grinding, but it weakens the effect: less force on the teeth, less muscle overload and, in many people, less pain. The 2026 meta-analysis cited above confirms reduced muscle activity and bite force, and pain relief comparable to splints.

Is a night guard still needed?

Often yes. A custom-made occlusal splint, made by a dentist, protects the teeth and restorations from wear, which toxin does not do directly. The 2026 meta-analysis concludes that splints remain the preferred conservative intervention when protection of the teeth and maintenance of function are the main goals. Many people benefit from both: a splint for protection, toxin for pain and muscle overload.

What else helps?

Awareness and habit change for daytime clenching (keeping lips together and teeth apart), stress management, physiotherapy for the jaw muscles, reducing caffeine and alcohol in the evening, and treatment of sleep disorders. The 2025 review by Assiri and colleagues recommends a multidisciplinary approach, as no single treatment is universally effective.

Is toxin for bruxism an approved use?

In many countries, bruxism is not among the officially approved indications of botulinum toxin products, so its use is « off-label », meaning that the doctor uses a licensed medicine outside its approved indications on the basis of medical judgement and published evidence. This is common in medicine, but you should be informed about it and give consent.

Does it change the shape of the face?

Yes, often. Relaxing large masseter muscles makes the lower face slimmer over the following weeks, which some people seek for aesthetic reasons. Medespoir’s French aesthetic medicine guide describes this indication as responding to two requests: relief of bruxism symptoms and slimming of the lower face. If you do not want a change in face shape, say so: the dose and injection sites can be adjusted.

What are the side effects?

Temporary tenderness, small bruises, and in some cases a feeling of chewing fatigue with hard foods. Injections placed too close to the front of the masseter or too superficial can affect smile muscles and cause a temporarily asymmetric smile. With repeated treatments at high doses, there is a theoretical risk of reduced response; doctors use the lowest effective dose and space treatments appropriately.

Chronic migraine and other medical uses

How is toxin used for migraine?

Botulinum toxin is used for chronic migraine, which means headaches on 15 or more days a month, at least eight of which have migraine features, in people for whom preventive tablets have not worked or were not tolerated. The pooled PREEMPT trials (Dodick and colleagues, Headache, 2010), with 1,384 adults, found a larger reduction in headache days with toxin than with placebo after 24 weeks (8.4 versus 6.6 fewer days). Injections are given at multiple sites on the head and neck, typically every three months, by neurologists or headache specialists. It is not a treatment for occasional migraine.

Is migraine treatment something to do abroad?

Generally not. Migraine care involves diagnosis, preventive medicines, regular follow-up and adjustments, and in Switzerland it is organised by neurologists and headache centres. If you have chronic migraine, discuss toxin with your neurologist in Switzerland. Medespoir’s French toxin page mentions migraine among medical uses; any such treatment should be coordinated with your Swiss specialist.

What other medical uses exist?

In specialist hands, toxin is used for involuntary eyelid closure (blepharospasm), certain neck muscle spasms (cervical dystonia), muscle stiffness after stroke or in cerebral palsy (spasticity), overactive bladder, excessive drooling in some neurological conditions, certain squints and other conditions. These treatments are delivered by neurologists, urologists, ophthalmologists and rehabilitation specialists, usually in hospitals or specialised clinics, and are not cosmetic procedures.

Can toxin help facial asymmetry or gummy smiles?

Small doses can soften asymmetry after facial nerve palsy by balancing the stronger side, and can reduce a gummy smile by relaxing the muscle that lifts the upper lip. These uses lie between medicine and aesthetics and require precise anatomical knowledge. Our face injections guide covers related facial treatments.

Safety, side effects and who should not be treated

Is botulinum toxin safe?

Used by trained doctors with licensed products at appropriate doses, it has a long safety record. Most side effects are local and temporary: pain, bruising, swelling and, depending on the area, unwanted weakness of nearby muscles, such as a drooping eyelid or brow after forehead injections, or grip weakness after palm injections.

What is botulism, and how is it related?

Botulism is a serious illness caused by the toxin spreading through the body, causing blurred or double vision, drooping eyelids, difficulty speaking or swallowing, weakness and, in severe cases, breathing difficulties. After medical injections, it is very rare. The outbreaks described in England in 2025 and in China involved unlicensed or unknown products, often from unlicensed practitioners. If you develop such symptoms in the days or weeks after an injection, seek emergency medical care immediately and say that you received toxin.

Who should not receive toxin?

  • Pregnant or breastfeeding women, as a precaution.
  • People with neuromuscular diseases such as myasthenia gravis or Lambert-Eaton syndrome.
  • People with an infection or active skin disease at the injection site.
  • People with a known allergy to a component of the product.
  • People taking certain medicines that can increase the effect of the toxin, such as some antibiotics of the aminoglycoside class; declare all your medicines.

Does the effect weaken over time?

In a minority of patients, the body can produce antibodies that reduce the effect, especially with high doses and frequent « booster » injections. Doctors therefore avoid unnecessary top-ups and use the lowest effective dose. If a treatment seems to work less well than before, discuss it with your doctor rather than increasing the dose yourself.

Who may inject botulinum toxin in Switzerland?

Botulinum toxin is a prescription medicine. The Canton of Vaud, on its official page on toxin injections, states that the injection is a medical act that cannot be delegated to someone who is not a doctor, that only specialist doctors with the required qualifications may perform it, that beauticians and other practitioners are not allowed to inject it even under a doctor’s supervision, and that the product must only be dispensed on prescription. It also notes that in aesthetic medicine, toxin is authorised by Swissmedic only for frown lines and crow’s feet, and that other uses are off-label.

What did Swissmedic warn about?

Swissmedic, the Swiss agency for therapeutic products, published a warning in 2008 about the dangerous side effects of uncontrolled cosmetic « off-label » use of botulinum toxin products. The message remains relevant: the product, the dose and the injector all matter.

How can I check that the product is genuine?

Ask which product will be used, ask to see the box with its batch number and expiry date, and keep a note of it. Licensed products come from regulated supply chains. Be wary of unusually low prices, injections in non-medical settings or at « parties », and any product bought online. Medespoir’s French toxin page states that in Tunisia, only state-approved toxin products are used.

Having toxin treatments in Tunisia

Who performs the injections?

Medespoir’s French page on toxin injections names Dr Ons Mellouli as the partner doctor presenting this treatment, and notes that the choice of practitioner depends on your file and is made during the initial exchange with the team. Ask about the doctor’s specialty and experience with the specific indication, for example sweating of the palms or bruxism.

What should I prepare before the consultation?

A well-prepared file makes the first exchange more useful and helps the doctor decide whether toxin is the right option. Bring or send:

  • For sweating: the areas concerned, the age at which it started, your HDSS score, a list of everything already tried (antiperspirants, iontophoresis, tablets) with how long you used it, and any blood tests or reports if a secondary cause has been investigated.
  • For bruxism: your dentist’s findings on wear or fractures, information on any existing splint, and whether you snore or have been assessed for sleep apnoea.
  • For everyone: a full list of your medicines, including blood thinners and supplements that increase bruising, any neuromuscular disease, pregnancy or breastfeeding, and the records of previous toxin treatments (product, units, sites and dates).

Useful questions to ask in return: which product will be used and whether it is licensed, how many units are planned for each area, whether the use is on-label or off-label for your indication, which side effects are specific to the area treated, and who to contact if a problem appears after your return to Switzerland.

Can I combine toxin with another treatment or a stay?

Yes. Toxin injections take little time and require no recovery, so they can be combined with another treatment in Tunisia, such as dental work or a facial procedure, or with a short stay. For bruxism, coordination with dental treatment is particularly logical: a splint can be made and toxin injected during the same period. Our guide to skin treatments in Tunisia covers other non-surgical options.

What about follow-up and repeat treatments?

Because the effect is temporary, plan how you will repeat the treatment: in Tunisia during later stays, or with a qualified doctor in Switzerland. Ask for a written record of the product, the dose in units and the injection sites; this allows any doctor to continue the treatment safely. For sweating, a starch-iodine test before and after can document the result.

What about travel and timing?

Direct flights from Geneva and Basel-Mulhouse to Tunisia take about two hours; from Zurich, flights are direct or with a connection depending on the season. There is no medical reason not to fly after toxin injections. If you are treated for sweating, timing the treatment a few weeks before summer allows the effect to be fully established when you need it most. Consultations and documents in Tunisia are in French.

Swiss insurance and price

Does Swiss basic insurance pay for toxin?

For cosmetic indications, no. For some medical indications, botulinum toxin products can be reimbursed by basic insurance under the conditions set out in the federal list of reimbursed medicines (the Spezialitätenliste / liste des spécialités), often with specific limitations, such as failure of other treatments and prescription by certain specialists. Whether your situation qualifies depends on the indication and the product; ask your dermatologist, neurologist or dentist and your insurer before treatment. Treatment received abroad is in principle not covered by basic insurance.

What about bruxism?

Bruxism treatment with toxin is generally not reimbursed by basic insurance, and dental splints follow the rules of dental care, which in Switzerland is mostly paid by the patient or supplementary insurance. Medespoir’s French aesthetic medicine guide notes that the functional part of bruxism may in some cases be assessed medically, while the purely aesthetic part remains at the patient’s expense.

How much does toxin treatment cost in Tunisia?

According to Medespoir’s price page, treatments in Tunisia are around 60 % cheaper than in Switzerland. The price of toxin treatment depends on the indication, the areas treated and the quantity of product needed, as Medespoir’s toxin page explains. The exact price is given in a free, personal quote in your name within 48 hours.

What is the most important message?

Excessive sweating and bruxism are real medical problems with effective treatments. Botulinum toxin is one of them, often among the most effective, but it belongs in the hands of qualified doctors using licensed products, as part of a plan that addresses causes and alternatives.

This article provides general information and does not replace a medical consultation. Sudden or generalised sweating, night sweats or new jaw pain should be assessed by a doctor. If you develop difficulty swallowing, speaking or breathing after an injection, call 144 in Switzerland immediately.

Would you like to know whether toxin is right for you? Request your free quote. You will receive a personal answer within 48 hours. Medespoir’s French botulinum toxin page and aesthetic medicine guide give further details.

Sources

  • Heckmann M. et al., Botulinum toxin A for axillary hyperhidrosis (excessive sweating), New England Journal of Medicine, 2001: pubmed.ncbi.nlm.nih.gov
  • Maazi M. et al., Primary hyperhidrosis: an updated review, Drugs in Context, 2025: pubmed.ncbi.nlm.nih.gov
  • Doolittle J. et al., Hyperhidrosis: an update on prevalence and severity in the United States, Archives of Dermatological Research, 2016: pubmed.ncbi.nlm.nih.gov
  • Eilertsen T. et al., Botulinum toxin A and B for palmoplantar hyperhidrosis, Dermatology and Therapy, 2024: pubmed.ncbi.nlm.nih.gov
  • Kouris A. et al., Muscle weakness in treatment of palmar hyperhidrosis with botulinum toxin type A: can it be prevented?, Journal of Drugs in Dermatology, 2014: pubmed.ncbi.nlm.nih.gov
  • Aldosari L. I. N. et al., Occlusal splints versus botulinum toxin for adult sleep bruxism: systematic review and meta-analysis, Cranio, 2026: pubmed.ncbi.nlm.nih.gov
  • Assiri H. A. et al., Bruxism treatment outcomes: a systematic review and meta-analysis, Medicine, 2025: pubmed.ncbi.nlm.nih.gov
  • Solish N. et al., A comprehensive approach to the recognition, diagnosis, and severity-based treatment of focal hyperhidrosis: recommendations of the Canadian Hyperhidrosis Advisory Committee, Dermatologic Surgery, 2007: pubmed.ncbi.nlm.nih.gov
  • McConaghy J. R., Fosselman D., Hyperhidrosis: management options, American Family Physician, 2018: pubmed.ncbi.nlm.nih.gov
  • Varella A. Y. et al., Translation and validation of Hyperhidrosis Disease Severity Scale, Revista da Associação Médica Brasileira, 2016: pubmed.ncbi.nlm.nih.gov
  • Lobbezoo F. et al., International consensus on the assessment of bruxism: report of a work in progress, Journal of Oral Rehabilitation, 2018: pubmed.ncbi.nlm.nih.gov
  • Dodick D. W. et al., OnabotulinumtoxinA for chronic migraine: pooled results of the PREEMPT programme, Headache, 2010: pubmed.ncbi.nlm.nih.gov
  • Perez S. M. et al., Botulinum toxin in the treatment of hair and scalp disorders, Toxins, 2025: pubmed.ncbi.nlm.nih.gov
  • Jasperse J. et al., A local outbreak of iatrogenic botulism associated with cosmetic injections, England, 2025, Eurosurveillance, 2025: pubmed.ncbi.nlm.nih.gov
  • Qiu H. et al., A retrospective case series of illegal cosmetic iatrogenic botulism, Aesthetic Surgery Journal, 2025: pubmed.ncbi.nlm.nih.gov
  • Canton of Vaud, botulinum toxin injections (in French): vd.ch
  • Swissmedic, warning about cosmetic treatments using botulinum toxin, 2008: swissmedic.ch
  • Medespoir (in French): botulinum toxin injections, aesthetic medicine guide, prices

Frequently asked questions

Does Botox really stop underarm sweating?

It greatly reduces it. In the key trial, sweat production fell by most of its volume and stayed well below baseline after six months.

How long does toxin for sweating last?

Several months, varying from person to person. The treatment is repeated when sweating returns.

Are injections in the palms painful?

They are more uncomfortable than in the armpits, so numbing techniques are used. Temporary grip weakness can occur.

Can Botox cure bruxism?

No. It reduces muscle force and pain but does not stop the grinding itself. A night splint is still often advised to protect the teeth.

Will toxin for bruxism make my face slimmer?

Often, yes, by relaxing the masseter muscles. The dose can be adapted if you do not want this change.

Is Botox for migraine the same as cosmetic Botox?

The medicine can be the same, but migraine treatment uses a specific protocol for chronic migraine, managed by neurologists.

Does Swiss insurance pay for hyperhidrosis treatment?

In some cases, under conditions of the list of reimbursed medicines. Ask your dermatologist and insurer beforehand.

Who is allowed to inject Botox in Switzerland?

Only qualified doctors. It is a prescription medicine, and beauticians are not allowed to inject it.

What symptoms after an injection are an emergency?

Difficulty swallowing, speaking or breathing, double vision or generalised weakness. Call 144 immediately.

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