Botox® is most commonly used in anti-wrinkle injections for the treatment of frowns, other lines on the forehead, and crows feet around the eyes. In addition, Botox® can be used to stop the mouth from drooping at the corners and to create an eyebrow lift.

The treatment involves a number of small injections in the areas to be treated. The effects of the Botox® take a week or two to appear. In the beginning, the effect of a session will last up to 4 months. After a two or three treatments, at intervals of a few months, the effect of the treatment will last longer. After a year or so of treatment, the areas being treated by Botox® gradually relax and further treatments are only required perhaps once a year.

There are few unwanted side effects of treatment. Any side effects of treatment are temporary and may involve mild bruising at the site of the injection and occasionally a passing redness and slight swelling of the treated area which usually lasts less than an hour.

When the frown lines are treated, about one percent of people (one in a hundred), experience a partial eyelid droop that can last for two or three weeks. This uncommon event happens when Botox® for a variety of reasons may move sideways into the eyelid. This rare side effect can be reduced if it occurs, by use of a particular eyedrop.

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