 <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]  for use in children less than 3 years old (see also Precautions section). How to use Desferal MESYLATE Vial Depending upon your medical condition, this medication is injected directly into a muscle, under the skin, or into a vein as directed by your doctor. Dosage is based on your medical condition and response to treatment. If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely. If you are using this medication to treat high iron levels, your doctor may direct you to take vitamin C (ascorbic acid) after you have been using this medication for at least 1 month. Taking vitamin C will help replace the loss of vitamin C due to high iron levels and help the medication work to get rid of the iron. If you have heart disease (such as heart failure), tell your doctor before taking vitamin C while using this medication (see also Drug Interactions). The manufacturer recommends that adults using this drug take no more than 200 milligrams of vitamin C a day. Tell your doctor if your condition lasts or gets </s>