Risk Factors 
Swelling or bruising at the site of injecting
Excessive tearing or dry eye, drooping eyelids, cockeyed eyebrows if injected around the eye
It takes only a few minutes to carry out the procedure; anaesthesia is usually not required.
Botox is injected into the targeted (affected) muscle using a fine needle.
Full effect can be seen in 3—5 days
The effect lasts for 4—6 months