DINORIGHT is used for the treatment of pelvic pain associated with endometriosis. It consists of progestin, which is similar to the female hormone and works by suppressing the production of hormone causing endometriosis. DINORIGHT Tablet can be taken with or without food, but take it at the same time to get the most benefit. It should be taken as your doctor's advice. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. Swallow the tablets whole with a glass of water. You should take this medicine for as long as it is prescribed for you. Keep taking this medicine even during your menstrual periods. The most common side effects of this medicine include acne, headache, depressed mood, breast discomfort, nausea, and ovarian cyst. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Usually, it makes your menstrual cycle irregular or you experience spotting or brown discharge in the middle of cycle. Consult with your doctor if this occurs frequently. Before taking this medicine, let your doctor know if you have ever had unexplained vaginal or uterine bleeding, or have circulatory blood disorder. 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. Tell your doctor if you are pregnant, planning pregnancy or breastfeeding before starting the treatment.