 <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]  nits (lice eggs) from hair. Wash hands immediately after use. Because this product does not affect the eggs (nits) laid by lice, repeat the application once 7 to 10 days later to kill any newly hatched lice. Tell your doctor if your condition lasts or gets worse after the 2 treatments with this medication.The side effects of RID Lice Killing Topical: Skin irritation may occur. If this effect lasts or gets 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. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1 </s>