 <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]  www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.The precautions of Lidocaine Viscous Mucous Membrane: Before using lidocaine, tell your doctor or pharmacist if you are allergic to it; or to other anesthetics (such as bupivacaine, prilocaine); or to PABA; 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. Before using this medication, tell your doctor or pharmacist your medical history, especially of: cuts/sores/bleeding in the mouth or throat, heart problems (such as slow/irregular heartbeat, heart block), kidney disease, liver disease, a certain blood disorder (methemoglobinemia). This drug may make you dizzy or drowsy or cause vision problems if you are using too much of it or are very sensitive to its effects. See Side Effects section. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not </s>