 <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]  Consult your pharmacist or local waste disposal company.The uses of Lidocaine Topical: This product is used to help reduce itching and pain from certain skin conditions (such as scrapes, minor skin irritations, insect bites). It may also be used to help relieve nerve pain after shingles (infection with herpes zoster virus). Lidocaine belongs to a class of drugs known as local anesthetics. It works by causing a temporary loss of feeling in the area where you apply the patch. How to use lidocaine topical If you are using the over-the-counter product to self-treat, read and follow all directions on the product package before using this medication. If you have any questions, consult your pharmacist. If your doctor has prescribed this medication, use it as directed. This product should only be applied to normal intact skin. Do not apply to skin that is broken or irritated. The dosage is based on your medical condition and response to treatment. Remove the protective liner and apply the patch to the skin area that is most painful. Apply the prescribed number of patches as directed by your doctor, usually once a day. Depending on your product, the patch may be left on the skin for up to 8 or </s>