 <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]  passing the infection to someone else. It does not prevent a future occurrence.Do not use this medication to treat canker sores (sores found commonly in the mouth), shingles, or genital herpes. How to use Docosanol 10 % Topical Cream Cold Sore Products Follow all directions on the product package, or use as directed by your doctor. Use this medication at the first signs of a cold sore (such as tingling, burning, redness, or a bump). Wash and dry your hands before applying the medication. Clean and dry the affected areas. Apply a thin layer of medication to completely cover the area of the cold sore or the area of tingling/itching/redness/swelling and rub in gently, usually 5 times a day every 3-4 hours, or as directed by your doctor. Wash your hands with soap and water after applying. If you have any questions, ask your doctor or pharmacist. Apply to skin only. Do not apply this medication in or near the eyes since this medication can irritate the eyes. If you do get medication in your eyes, flush with plenty of water. Do not apply inside the mouth or nose. Remove any cosmetics from the affected area before applying. You may apply cosmetics </s>