Lastet 50 Capsule is used to treat different cancers of lung, and testicles. It is also sometimes used to treat some other kinds of cancer in both men and women. It can be used on its own, or sometimes given together with certain other medicines as part of combination chemotherapy. Lastet 50 Capsule should be taken on an empty stomach, but take it at the same time to get the most benefit. It should be taken as your doctor's advice. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. Swallow the tablets whole with a drink of water. You should take this medicine for as long as it is prescribed for you. It can lower your immunity, hence maintain distance from people suffering from cold and any other infection. The most common side effect of this medicine includes low blood platelets, vomiting, nausea, hair loss, and anemia (low number of red blood cells). If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. It is important to use effective contraception to avoid getting pregnant or fathering a child during treatment. Before taking this medicine, let your doctor know if you have liver or kidney disease, or if have been on radiation therapy. 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. Your doctor may check you for blood cells and liver functioning while taking this medicine.