Around the eyes this could lead to drooping of the upper eyelid known as ptosis. Stay upright for the first 3-4 hours after treatment. Immediately after treatment the injection sites may be slightly tender and swollen. When asked to contract the muscles, however, you will be unable to do so. You can feel the surrounding muscles contract as usual.
Some patients report feeling more relaxed after treatment of their frown lines.
It should not be used to correct lines and wrinkles that a patient has at rest, which are due to gravitational changes. Aminoglycoside antibiotics or any other drug that interferes with neuromuscular transmission can also potentiate the effect of botulinum toxin. Currently no other therapies are available to selectively paralyze muscles that cause unwanted lines and wrinkles. Lines and wrinkles can be improved, however, with collagen injection , laser resurfacing , and face-lifts.