Botox works by relaxing overactive muscles and can also block sweat glands as well as blocking the release of certain chemicals in the brain which are known to cause migraine headaches. In the first case, for example, a Botox injection to treat frown lines works by basically not allowing the facial muscles to contract giving a more youthful appearance due to the absence of lines on the skin. Using Botox to treat sweat glands works by blocking signals in the body which cause a person to sweat excessively, which is called hyperhidrosis. There is a variety of medical conditions associated with overactive muscles which Botox can help to treat so it is not only for cosmetic purposes. …show more content…
So allergies need to be looked at, any infections need to be addressed, and any type of muscle disorder could prevent a potential Botox patient from using it. Considering that Botox is primarily used to treat muscle disorders, this is the main concern that one must consider before going to a Botox clinic. Some particular muscle disorders that a doctor would need to be aware of are myasthenia gravis, Eaton Lambert Syndrome, and amyotrophic lateral