Avastin 100mg Injection is often administered as a combination with other chemotherapy agents. Constipation, appetite loss, runny nose, fever, skin problems, and weight loss are common side effects of Avastin 100mg Injection. Before starting treatment with this medicine, let your doctor know if you have high blood pressure, high blood sugar, stomach disorders, or heart problems. This medicine should not be taken for 28 days before and after surgery as it is associated with poor wound healing and high bleeding complications. You are advised to report to your doctor if you have any dental issues that require surgery before taking this medicine. In case you develop any visual changes or confusion, report to your doctor to prevent complications.