 <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 do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Xerese Topical: This medication contains 2 ingredients: acyclovir and hydrocortisone. It is used to treat cold sores/fever blisters caused by a virus (herpes simplex). Acyclovir is an antiviral medication that works by stopping the growth of the virus. Hydrocortisone is a corticosteroid that helps relieve itching, pain, and burning symptoms. This medication can speed up healing of cold sores, but it does not cure herpes or prevent passing the infection to someone else. It also does not prevent cold sores from returning. How to use Xerese Cream 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. Use this medication at the first sign of a cold sore. Wash your hands with soap and water before and after applying this medication. Clean and dry the affected area before applying the medication. Apply a thin layer on the affected area as directed by your doctor, usually 5 </s>