 <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]  than 200 milligrams of vitamin C a day. Tell your doctor if your condition lasts or gets worse.The side effects of Desferal Injection: Pain and swelling at the injection site or blurred vision may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. This medicine may cause your urine to turn reddish. This effect is harmless. When this medication is given into a vein, flushing, severe itching, severe dizziness, fast heartbeat, and fainting can occur. The manufacturer recommends that, when possible, this medication be given either in the muscle or under the skin. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: other vision changes (such as vision loss, loss of color vision, cataracts), eye pain, hearing changes (such as ringing ears, decreased hearing/loss). Rarely, this drug may cause serious (sometimes fatal) bacterial or fungal infections. Get medical help right away if you notice any of the following: unexplained diarrhea/abdominal pain/ </s>