 <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]  You may report side effects to Health Canada at 1-866-234-2345.The precautions of Zostrix-HP Topical: Before using capsaicin, tell your doctor or pharmacist if you are allergic to it; or to zucapsaicin; or to hot peppers (from the Capsicum family); or to lidocaine or other local anesthetics that may be in your brand; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. If you are going to have an MRI test, tell testing personnel if you are using the patch. Some patches may contain metals that can cause serious burns during an MRI. Ask your doctor whether you will need to remove your patch before the test and apply a new patch afterward, and how to do so properly. During pregnancy, this product should be used only when clearly needed. Discuss the risks and benefits with your doctor. It is unknown if this product passes into breast milk. Consult your doctor before breast-feeding.The interactions of Zostrix-HP Topical: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain </s>