 <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]  cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: skin cuts/infections/sores. Some products may make you more sensitive to the sun. Check the label for any warnings or ask your doctor or pharmacist whether you need to take any special precautions when in the sun. Your doctor/pharmacist may suggest that you limit your time in the sun, avoid tanning booths and sunlamps, and use sunscreen and wear protective clothing when outdoors. Tell your doctor right away if you get sunburned or have skin blisters/redness. Some products may stain/discolor clothing. Ask your doctor or pharmacist for more details. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. It is unknown if drug passes into breast milk. Consult your doctor before breast-feeding, especially if you are applying this product to the breast area.The interactions of Urea Nail Stick Topical: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use ( </s>