BoTox is a remarkably safe therapeutic agent for wrinkles. Complications have been minor and only transient. Bruising may occur where injected and a brief pain or headache may follow. Bruising may be greater in patients who are taking aspirin or any blood-thinning medicines. These products should be avoided if possible prior to the injection.
Ice helps prevent bruising.
After the first set of injections, reinjection after two weeks allows for an accurate localization of any resistant functioning muscles. Successful therapy is signed by muscle weakness that begins at 24 to 48 hours after injection with a peaking weakness at seven days. Paralysis after the initial injection lasts between four and seven months for most patients. Reinjection is suggested every three or four months to keep the muscles paralyzed and allow the furrows to completely smooth out. Once an area is smooth, patients are instructed to return for therapy only when they notice a return of muscle movement, which may not occur for four months to one year or even longer.