Taxotere is a drug for treating cancer. Cancers and hair have something in common – they are both fast growing organs. Cancer drugs attack fast-growing organs. In the body, hair is the fastest growing organ, followed by the intestine. Therefore, hair loss, nausea, vomiting, and diarrhea are often side effects. Once the medications stop, the hair will probably come back, and nausea, vomiting, and diarrhea along with it will subside.