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— BODY TREATMENTS · Barcelona
Dr. Bermejo Pérez · Reg. no. 63226
Treatment of excessive sweating with botulinum toxin. Underarms, hands, feet and forehead — a localised block of the sweat glands with an immediate result that lasts for months. No surgery, no systemic effects and a real impact on quality of life.
In short
Hyperhidrosis treatment with botulinum toxin reduces excessive sweating of the underarms, hands or feet. A 30–45 minute session with no downtime and an effect lasting 6–12 months; the price depends on the area treated. It is performed by Dr. Rubén Bermejo Pérez, a registered aesthetic physician (COMB no. 63226), at Clínica Sagrada Família, Barcelona.
Free first visit
This is your first visit.
Medical view
“Hyperhidrosis isn't nerves or poor hygiene. It is a medical condition with an effective treatment — and it doesn't have to keep shaping your life.”Dr. Rubén Bermejo Pérez
Anatomy · Hyperhidrosis
Blocking sweat where it is produced.
The glands in the deep dermis that produce sweat.
Blocks the nerve signal that activates them.
Underarms, hands, feet or forehead.
What it's for
Underarm hyperhidrosis is the most common indication and the one that responds best to botulinum toxin. The injections block nerve transmission to the eccrine sweat glands of the armpit — the result is a dramatic reduction in sweating within 5–7 days that lasts between 6 and 12 months. It is the most effective treatment available for this indication.
Excessive sweating of the palms is one of the conditions that most affects daily life — meetings, handshakes, using a phone or keyboard. Botulinum toxin in the hands needs a specific technique — the palms have a very high density of glands and the injection is more complex. With topical anaesthetic beforehand the procedure is tolerable.
Excessive sweating of the feet affects footwear, causes odour and can lead to secondary skin problems such as maceration or fungal infections. Botulinum toxin in the sole of the foot requires local anaesthetic first — it is the most sensitive area — but the result is just as effective and long-lasting as in the other areas.
Excessive sweating of the forehead, scalp or face — especially with heat or exercise — can be treated very effectively with botulinum toxin. On the forehead the technique requires special care so as not to affect the movement of the eyelid or brow — it must be done by a doctor with specific experience in this area.
The practical side
Everything you need to know before the consultation. No small print.
Varies with the area and metabolism. The underarms usually last longer than the hands or feet. Over time some patients notice the effect lasts longer.
Including anaesthetic if needed. The underarms are the quickest session — hands and feet take a little longer because of the number of injection points.
Possible mild redness or tenderness in the area for the first few hours. Normal life from the very start. Avoid intense exercise for 24 h.
It depends on the size of the area to treat and the amount of toxin needed. It is set at the prior consultation.
Candidates
Not sure if it's for you? That is exactly what the consultation is for: I'll tell you honestly what I see.
Free first visit · no commitment
At the consultation we study your case, talk about what you're looking for and set the goals together. If no treatment is needed, I'll tell you that too.
Frequently asked questions
Straight answers about hyperhidrosis treatment. If your question isn't here, write to me.
There is no single price. It depends on the size of the area to treat and the amount of toxin needed, and is set at the prior consultation. The first consultation is free. You can see all fees on the prices page.
At Clínica Sagrada Família, C/ Torras i Pujalt 1 (3rd floor), Barcelona. It is performed personally by Dr. Rubén Bermejo Pérez, registered physician no. 63226.
Botulinum toxin blocks the cholinergic nerve transmission that activates the eccrine sweat glands — the same nerve endings that control sweating. Without that nerve signal the glands can't be activated and sweating in the treated area drops dramatically. The block is entirely local — it doesn't affect any other function of the body.
Yes. The body has millions of sweat glands spread across the skin — blocking those in one specific area has no effect on overall temperature regulation. The body compensates perfectly through the rest of the glands. This is one of the most common misconceptions about the treatment — and the medical answer is clear: it is completely safe.
The effect starts to be noticeable 3 to 5 days after treatment. The full result — maximum reduction in sweating — is reached between 7 and 10 days. In some patients the onset may be a little slower — up to 2 weeks — without that meaning it is less effective.
The underarm is the best-tolerated area — the skin is relatively insensitive and most patients don't need anaesthetic. Hands and feet are more sensitive — we apply topical or local anaesthetic beforehand to ensure comfort. The forehead is somewhere in between. In every case the discomfort is mild and brief — each injection takes seconds.
Between 6 and 12 months depending on the area and each patient's metabolism. The underarms usually last longer — between 9 and 12 months. Hands and feet tend to last a little less — between 6 and 9 months — because those areas are more active. Over time, some patients find the effect of later sessions lasts longer.
For the underarms — don't shave or use deodorant on the day of treatment. For hands and feet — come with clean, dry skin. Avoid anti-inflammatories and omega-3 supplements for a few days beforehand to reduce the risk of bruising. No other special preparation is needed.
Yes. It is perfectly possible to treat the underarms and hands in the same session, for example. The total amount of toxin is split between the areas — always within the established safety margins for hyperhidrosis treatment. Treating several areas in one visit is more efficient and carries no additional risk.
Free consultation
First visit with no commitment. There is always an assessment first; if the treatment is right for you, it can be done the same day.
In Sant Gervasi, next to Ronda del General Mitre. It is not in the area around the Sagrada Família basilica.