 <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]  the injection. Do not inject into skin that is irritated, sore, or infected. The dosage is based on your body size, medical condition, and response to treatment. Do not change the dose or how often you use this medication without your doctor's approval. Use this medication regularly to get the most benefit from it. To help you remember, use it at the same time each evening that you have a scheduled dose.The side effects of Interferon Gamma-1b Subcutaneous: Injection site reactions (pain/swelling/redness), diarrhea, upset stomach, nausea, or vomiting may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Flu-like symptoms such as headache, tiredness, fever, chills, and muscle aches may occur, especially when you first start this medication. These symptoms usually last about 1 day after the injection and improve or go away after a few months of continued use. You can reduce these side effects by injecting this medicine at bedtime and using a fever reducer/pain reliever such as acetaminophen before or after each dose. Consult your doctor or pharmacist for more information. Remember that this medication has been prescribed because your doctor has judged that the benefit to </s>