Botox: What is it and How long do its Effects Last?

Botox: What is it and How long do its Effects Last?


Botox, is a synthesizing neurotoxin obtain from a bacterium discovered at the end of the 19th century, which is used to treat neurological pathologies and the cosmetic use of the most demanding therapies for the correction of wrinkles. The expression on the face.

Specifically, according to experts from the Center for Medical-Aesthetic Treatments Felicidad Carrera. The pharmacological effect of botulinum toxin takes place at the level of the neuromuscular junction, in the connection between the peripheral nerve and the muscle. At this level, it produces the release of acetylcholine, a neurotransmitter necessary to stimulate muscle contraction.

In this way, the botulinum toxin works by blocking the release of acetylcholine and producing a temporary muscle relaxation without causing any physical injury to the nerve or muscle structures. The main indications are those where there is an exaggerated muscular-nervous activity. Such as, for example, nervous ‘tics,’ strabismus, spasticity, expression lines, and excessive sweating.

The toxin is applie to different parts of the muscle so that, as it no longer receives the nervous stimulus, it stops contracting. The best results are obtain to treat expression lines such as the frown, forehead, or ‘crow’s feet.

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Side Effects of Botox

The secondary effects after applying the botulinum toxin are minor and transitory. After a while, the toxin stops exerting its inhibitory effect on the muscles and regains its strength.

However, the most frequent adverse effects are cause by the injection. Local pain at the point, edema, erythema, ecchymosis, and excessive muscle weakness. In this sense, the most common aesthetic use is the drooping of the eyebrows or even the upper eyelids due to excessive treatment of the frontal muscle.

The effects begin to be approximately to 48 hours of infiltration and peak result a week. As a preventive treatment in younger skin (30-35 years). One session a year is enough, and as an executive treatment (already marked wrinkles from 35-40 years). It is recommend to repeat every six months so that the toxin acts to long term ‘educating’ the muscles to contract with less force and wrinkles are smooth out.

Precautions after Botox

After a Botox infiltration session, no great precautions are necessary, and the return to entirely everyday daily life is almost immediate. However, it is good to follow the following recommendations:

Intense Exercise

Although daily life activities can be carry out immediately, it is recommending not to do intense or strenuous physical exercise, or vigorous sports, in the first 24 hours.

Local Massages

It is recommend not to massage the treated area after the session.


If you have pain after the treatment, you can take a pain reliever such as paracetamol or non-steroidal anti-inflammatory drugs.

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