 <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]  burning, and stinging at the application site may occur. Stop using this product and tell your doctor if redness caused by the patch does not go away after 4 days. Nausea, dizziness, flushing, heartburn, or headache may also occur. Common nicotine withdrawal symptoms can occur when you stop smoking and include dizziness, anxiety, depression, or trouble sleeping, among others. If any of these withdrawal symptoms or side effects last or get worse, tell your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that 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. Serious side effects are more likely if you continue to smoke while using this product. Stop using this medication and tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as irritability, trouble sleeping, vivid dreams), numbness/tingling in hands/feet, swelling hands/ankles/feet. Stop using this medication and get medical help right away if you have any very serious side effects, including: chest pain, confusion, severe headache, fast/irregular/pounding heartbeat, trouble speaking </s>