I-Dox 20mg Injection is used in the treatment of some kinds of cancer. It is also used in the treatment of breast cancer, where there is an increased cardiac risk. It can be used on its own, or sometimes given together with certain other medicines as part of combination chemotherapy. I-Dox 20mg Injection can be used in both adults and children. It is given as injection into vein with extreme caution 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. It makes contraceptive pills less effective, so it advised to use reliable contraception during and after 6 months of the treatment. The most common side effects of this medicine include nausea, vomiting, rash, weakness, low blood platelets. If they do not go away or get worse, tell your doctor. There may be ways of preventing or reducing these effects. It is very strong medicine and some people may develop serious side effects while taking it. This medicine may lead to problems with your blood, liver or heart. Your doctor will advise you regular blood tests to check for these. Before taking this medicine, let your doctor know if you have liver disease. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Tell your doctor if you are pregnant or breastfeeding.