Velcade 1mg Injection is used in the treatment of multiple myeloma and mantle-cell lymphoma. It shows its working by stopping or slowing down the growth of cancer cells. Velcade 1mg Injection is given as an injection 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. Fatigue, nausea, vomiting, and loss of appetite are some common side effects of this medicine. You may be advised to drink plenty of fluids every day during the treatment. You should not drive or operate machinery as medicine may cause tiredness and dizziness. This medicine 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 blood uric acid levels. Before taking Velcade 1mg Injection, consult with your doctor if you have any liver, kidney, heart disease or bleeding problem. It is important to consult a doctor if you develop symptoms like memory loss or trouble in thinking. 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. The use of effective contraception by both males and females during treatment is important to avoid pregnancy.