It is commonly prescribed alongside estrogen as part of hormonal replacement therapy to prevent the thickening of the lining of the uterus known as endometrial hyperplasia To ensure maximum benefit it should be taken with food at the same time every day Even if you feel well it is important to continue taking it for the duration your doctor has instructed The most frequently reported side effects include headaches extreme fatigue stomach cramps abdominal pain or swelling and nausea These side effects are more prevalent during the initial weeks of treatment but generally diminish as your body adjusts to the medication If you experience consistent bleeding or spotting between periods it is advisable to consult with your doctor Additionally if you feel dizzy or excessively tired it is recommended to avoid activities such as driving that require mental concentration Before starting this medication inform your doctor if you have a history of breast cancer abnormal vaginal bleeding or liver disease Throughout your treatment you will likely undergo several tests to monitor the condition of your uterus It is also important to disclose any other medications you are taking as there may be potential interactions In general it is advisable to avoid alcohol and smoking while taking this medication