Nitocin Injection is used for the induction of labor. It plays an important role in childbirth as it increases the contraction of the uterus and helps to induce labor in pregnant women. It may also be used to control post-delivery bleeding. Nitocin Injection is only used when there is any medical condition that prevents women to produce labor naturally. This medicine is given as an injection under the supervision of a doctor. Your doctor is the best person to decide how much amount should be given depending upon the condition. Hence, follow your doctor's advice while on treatment with this medicine. The most side effects of this medicine include vomiting, headache, and nausea. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Before taking this medicine, let your doctor know if you have ever had surgery of the uterus, or cesarean section or have a history of premature labor. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works.