Carustine 100mg Injection is used to treat cancer of lymphatic system, brain and certain types of cancers of bone marrow. It may also be used to treat other types of cancer. It can be used alone, or together with certain other medicines as part of combination chemotherapy. Carustine 100mg Injection is generally administered by a doctor or a nurse. You should not self-administer this medicine at home. This dose and duration of the treatment will depend on what you are being treated and the severity of your condition. You should get the injection regularly for as long as the doctor has prescribed. The most common side effects of this medicine include nausea, vomiting, constipation, depression, sleepiness, speech disorder, rash, hair loss, headache, weakness, fever, and pain. Other than this, some patients might notice thrombophlebitis, paralysis of one side of the body, convulsion, confusion, and brain swelling. It is very strong medicine and some people may develop serious side effects while taking it. This medicine may lower your ability to fight infections and lead to problems with your blood, lungs, liver, or kidneys. Your doctor will advise you regular blood tests to check for these. Before taking it, tell your doctor if you have liver, lungs, or kidney problems or are taking any medicines to treat infections. Many other medicines can affect, or be affected by, this medicine so let your doctor know all medications you are using. This medicine is not recommended during pregnancy or while breastfeeding. It may harm your baby. You and your partner should avoid becoming pregnant or fathering a child for several months after your treatment with it has stopped.