Cislee 50 Injection is a prescription medicine used in the treatment of ovarian, cervical, and testicular cancers. It works by stopping or slowing down the growth of cancer cells in the body. Cislee 50 Injection is given as an injection into veins by a qualified medical professional. Your doctor will decide what dose is necessary and how often you need to take it. This will depend on what you are being treated for and may change from time to time. You should take it exactly as your doctor has advised. Taking it in the wrong way or taking too much can cause very serious side effects. It may take several weeks or months for you to see or feel the benefits but do not stop taking it unless your doctor tells you to.Injection site reaction (pain, swelling, redness), nausea, and vomiting are some common side effects of this medicine. Hearing problems or ear damage is a serious side effect of this medicine, hence your doctor might get a hearing test both before and during treatment with this medicine. It may reduce the number of blood cells (decrease red blood and white blood cells) in your blood, thereby, increasing the susceptibility to infections. Regular blood tests are required to check your blood cells along with heart, liver, and kidney function.Before taking this medicine, let your doctor if you have or had kidney disease as the medicine affects the functioning of the kidney.  Many other medicines can affect, or be affected by, this medicine so let your healthcare team know all medications you are using. This medicine is not recommended during pregnancy or while breastfeeding. It may cause infertility in men, hence they should seek medical advice about sperm freezing before beginning treatment.