Belustine 40 Capsule should be taken on an empty stomach, but try to take it at the same time every day. 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.

The most common side effect of this medicine is decreased white blood cell count in your body. It may also cause nausea, vomiting, hair loss, and other side effects. Regular blood tests are required to check your blood cells along with kidney, liver, and heart function during treatment with this medicine. Inform your doctor if you observe signs of infections such as fever, chills, body ache, or if you have unusual bruising or bleeding.

Before taking it, tell your doctor if you have liver, 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. The use of effective contraception by both males and females during treatment is important to avoid pregnancy.