 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] : This medication is used to treat certain types of cancer (such as lymphoma, chronic lymphocytic leukemia - CLL). Bendamustine belongs to a class of cancer chemotherapy drugs known as alkylating agents. It works by killing cancer cells or slowing their growth. How to use Bendeka Vial This medication is injected slowly into a vein by a health care professional as directed by your doctor. The dosage is based on your medical condition, body size, and response to treatment. Before each cycle, you should have blood tests to find the best dose for you and to see whether you need to wait before receiving this drug again. This medication may cause infusion reactions (such as fever, chills). Before you receive this medication, your doctor may direct you to take a fever reducer, an antihistamine, and a corticosteroid (such as dexamethasone) to help prevent these side effects. Use these additional medications exactly as directed by your doctor. (See also Side Effects section.) If bendamustine leaks out of the vein into the surrounding area, it may cause serious skin and tissue damage. Tell your health care professional right away if you experience pain, irritation, redness, or swelling at the injection site. Prompt </s>