Celcarb 450mg Injection is utilized in the treatment of ovarian cancer and small cell lung cancer. It shows its working by stopping or slowing down the growth of cancer cells. Celcarb 450mg Injection is given as an injection into veins under the supervision of a doctor. 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. Nausea, vomiting, fatigue, and increased liver enzyme are some common side effects of this medication. This medication may reduce the number of blood cells (decrease red blood and white blood cells) in your blood, thereby, increasing the susceptibility to infections or bleeding. Inform your doctor if you notice fever, sore throat, chills, unusual bleeding or bruising, and dark urine. Regular blood tests are required to check your blood cells along with heart, liver, and blood uric acid levels.