This article lists side effects from clinical trials, but no specifics on allergic reactions were mentioned [http://women.emedtv.com/botox/botox-side-effects.html].
Answers (12)
From board-certified doctors and trusted medical professionals
Is 10 units of botox too much to treat the side of an eye? No.
I typically use 10-20 units of botox to treat each side of the eye without any problems.
Whenever you are doing injectables, bruising is always a possibility. I always recommend that my patients don't take advil or any blood thinners for a couple of days leading up to their appointment this way it can lessen the chances. You can also take arnica which will also help. The bruising...
Depending upon the exact location of the Botox injection it is possible that some weakening of the orbicularis muscle took place, which would cause a further extrusion of the fat pad underneath. This would make any bags under your eyes more prominent and cause you to look more tired. ...