 <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]  it worsens.The side effects of Zonalon Topical: Burning/stinging at the application site, drowsiness, dizziness, dry mouth, blurred vision, or changes in taste may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water, or use a saliva substitute. 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: heartburn that doesn't go away, mental/mood changes (such as agitation, confusion, depression), trouble urinating, swelling of the hands/feet. Get medical help right away if you have any very serious side effects, including: fast/irregular heartbeat, vision changes, fainting, seizures. A very serious allergic reaction to this drug is rare. However, get medical help right away </s>