Let's take a minute to talk about your medication. This is cyclophosphamide. It helps treat certain types of cancer and nephrotic syndrome. It may have other uses, too. You should take this medicine exactly how your doctor tells you to. You should swallow it whole. If you have a caregiver, he or she should wear gloves when handling this medicine. Always wash your hands after handling it. Common side effects include nausea, vomiting, diarrhea and mouth sores. You should talk to your doctor about how to prevent and treat side effects. Women may stop having their periods, or start menopause early. It can also cause hair loss. As with any medicine, more serious side effects could occur. This medicine can affect blood cell counts. Tell your doctor RIGHT AWAY if you have symptoms of possible serious effects. - Low white blood cell counts can cause infections, fever, and chills. You should take your temperature often. - Low red blood cell counts can make you feel dizzy, weak or short of breath. - Low platelet counts can cause easy bleeding or bruising. To help keep this medicine safe for you, your doctor will order blood tests often. Rare but serious effects include: - Lung problems, which can cause cough or shortness of breath. - Heart problems, which can cause swelling in the ankles, palpitations, dizziness, and fast weight gain of a few pounds. You should check your weight every day. - And kidney problems, which can cause pink or red urine. You should ask your doctor how much water to drink each day. You should always check with your doctor or pharmacist before taking other medicines. Women must not become pregnant or breastfeed. Men must not father a child. For best results with this medicine, talk to your doctor if you have any concerns about side effects or how to manage them.