As a part of hormonal replacement therapy this medication is commonly prescribed alongside estrogen to prevent the thickening of the lining of the uterus known as endometrial hyperplasia It is important to take this medication with food and at the same time each day in order to maximize its benefits It is crucial to continue taking this medication for the duration prescribed by your doctor even if you feel well Some common side effects of this medication include headaches excessive fatigue stomach cramps abdominal pain or swelling and nausea These side effects are typically more prevalent during the first few weeks of treatment and tend to subside as the body becomes accustomed to the medication It is also possible to experience bleeding or spotting between periods and if this occurs frequently it is advised to consult with your doctor If you experience dizziness or fatigue it is recommended to avoid activities that require mental concentration such as driving Before starting this medication it is important to inform your doctor if you have a history of breast cancer abnormal vaginal bleeding or liver disease Additionally your doctor may conduct several tests before and during the course of treatment to monitor the condition of your uterus It is also essential to disclose any other medications you are currently taking as some may interact with or be affected by this medication In general it is advisable to avoid consuming alcohol and smoking while taking this medication