 <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]  needed. Consult your pharmacist or local waste disposal company.The uses of Zostrix-HP Topical: This medication is used to treat minor aches and pains of the muscles/joints (such as arthritis, backache, sprains). Capsaicin works by decreasing a certain natural substance in your body (substance P) that helps pass pain signals to the brain. How to use ZOSTRIX HP Cream Use this medication on the skin only. Follow all directions on the product package. If you have any questions, ask your doctor or pharmacist. For the cream, gel, and lotion forms, apply a thin layer of medication to the affected area and rub in gently and thoroughly. You may want to use a cotton ball/swab or latex glove to apply the medication to avoid touching the medication with your hands. Do not apply the medication in the eyes, mouth, nostrils, or genitals. If you do get the medication in those areas, flush with plenty of water. Also, do not apply this medication to skin that is injured or irritated (for example, cut, scraped, sunburned). Do not apply this medication immediately before or after activities such as bathing, swimming, sun bathing, or heavy exercise </s>