 <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]  to work by affecting cell function/growth and the body's natural defenses (immune system) in many ways. Adding more interferon may help your body fight off serious infections. How to use Interferon Gamma-1B Solution Read the Patient Information Leaflet if available from your pharmacist before you start using this medication and each time you get a refill. If you have any questions, ask your doctor or pharmacist. This medication is given by injection under the skin as directed by your doctor, usually 3 times weekly (for example, Monday, Wednesday, and Friday). This medication is best used in the evening before bedtime to reduce side effects. If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. Do not shake the solution. 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. It is important to change the location of the injection site with each dose to avoid problem areas under the skin. Choose a different injection site with each dose. The thighs and upper arms are recommended sites for the injection. Do not inject into skin that is irritated, sore, or infected. The dosage is </s>