Rasburnat Injection is used in the treatment of high uric acid due to chemotherapy. It lowers uric acid levels in the blood which helps prevent kidney damage in cancer patients. It is given as a slow injection into veins by a doctor or a nurse. 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 effects of this medicine include nausea, headache, vomiting, and rash. However, some side effects require immediate action, hence inform your doctor if you experience difficulty in breathing, chest pain, swelling in the face and throat, itching, or dizziness after taking this medicine. Your doctor may get regular blood tests to check the levels of uric acid during treatment with this medicine. It is better to take plenty of fluids to avoid dehydration. Many other medicines can affect, or be affected by, this medicine so let your doctor know about all the medications you are using. Let your doctor also know if you have any preexisting medical conditions to make sure this medicine is safe for you.