Botox (Botulinum Toxin): Wrinkle Treatment, Migraine, Excessive Sweating and What to Expect

16 hours ago

3 min read

Key takeaways

Botulinum toxin relaxes specific muscles to smooth dynamic wrinkles: crow's feet, horizontal forehead lines and the vertical frown lines between the brows.
It is also used medically for chronic migraine prevention and excessive sweating (hyperhidrosis) of the underarms, hands and feet.
The injections take about 5 minutes in the clinic, with numbing cream if desired and no downtime.
Effects start after about 3–5 days, peak around 2 weeks, and last about 3–6 months depending on the product, dose and individual.
It is not used during pregnancy or breastfeeding; tell your doctor about blood-thinning medicines and neuromuscular conditions.

How does botulinum toxin work?

Tiny amounts of purified botulinum toxin block the nerve signals that make targeted muscles contract. When the muscle relaxes, the skin above it stops creasing, and existing expression lines soften. Nerves gradually restore the signal over months, which is why treatments are repeated.

Treating wrinkles

Botulinum toxin is one of the most popular non-surgical treatments for age-related expression lines in both women and men:

Crow's feet around the eyes
Horizontal forehead lines
Frown lines between the brows that can make a person look angry or tired
Other uses include a subtle brow lift, bunny lines on the nose, a gummy smile, chin dimpling and neck bands

Treated patients look rested and fresher, with smoother skin, while natural expression is preserved when dosing is precise. See brow lift options.

Chronic migraine

For people with chronic migraine (headache on 15 or more days a month), botulinum toxin injected at defined points on the head and neck, typically every 12 weeks, is an approved preventive treatment that can reduce the number and severity of attacks. Treatment is planned after neurological evaluation.

Excessive sweating

Injections into the underarms (and sometimes palms or feet) block the nerves that activate sweat glands, dramatically reducing sweating for several months. Many patients describe it as life-changing.

What happens during treatment?

Treatment is performed in a clinic room; no operating theatre is required.
A numbing cream can be applied beforehand for comfort.
Injections take about 5 minutes.
For 24 hours, avoid rubbing or massaging the area, lying face down, saunas and strenuous exercise.

Who should not have botulinum toxin?

Pregnant or breastfeeding women
People with certain neuromuscular disorders
People with infection at the injection site
Those with known allergy to ingredients

Tell your doctor if you take blood thinners; these may need to be discussed about a week before to reduce bruising. Treatment should always be performed by trained medical professionals after assessment.

Frequently asked questions

Will I look frozen?

Not with careful dosing; the goal is softened lines with natural movement.

What happens if I stop treatments?

Muscles gradually return to their previous activity; wrinkles do not become worse than before.

Can Botox be combined with fillers?

Yes; botulinum toxin treats dynamic lines and fillers restore volume. See dermal fillers.

How long before an event should the treatment be done?

About two weeks. The effect settles by day ten to fourteen, which also leaves time for a small touch-up if one is needed.

What should I avoid immediately afterwards?

Rubbing or massaging the treated area, lying flat, intense exercise, saunas and alcohol for the rest of the day — all of them can spread the product or increase bruising.

Next step

Explore non-surgical treatments or contact Prof. Dr. Suleyman Tas Clinic for an assessment.

About the author

Prof. Dr. Suleyman Tas is a European Board-certified plastic, reconstructive and aesthetic surgeon based in Istanbul with over 20 years of experience, author of Rhinoplasty in Practice (CRC Press) and founder of the Closed Atraumatic Rhinoplasty Course. Read verified patient reviews or book a consultation.

This article is for general information and does not replace an individual medical consultation.