 <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]  pets to lick the area where the medication was applied. Contact your vet right away if your pet comes into contact with this medication. Use this medication exactly as prescribed. Do not stop using this medication without consulting your doctor. Do not increase your dose or use it more often than directed. Your condition will not clear faster, but side effects will be increased. If your condition worsens or does not improve, consult your doctor or pharmacist promptly.The side effects of Efudex Topical: Skin irritation, burning, redness, dryness, pain, swelling, tenderness, or changes in skin color may occur at the site of application. Eye irritation (such as stinging, watering), trouble sleeping, irritability, temporary hair loss, or abnormal taste in the mouth may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: stomach/abdominal pain, bloody diarrhea, vomiting, signs of infection (such as sore throat that doesn't </s>