 <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]  to relieve pain from minor mouth problems (such as toothache, canker sores, sore gums/throat, mouth/gum injury). It is a local anesthetic that works by numbing the painful area.Do not use this product for children younger than 2 years due to risk of serious side effects. Ask your doctor for more details. How to use Anbesol (Benzocaine) Maximum Strength 20 % Mucosal Gel Follow all directions on the product package. If your doctor has prescribed this medication, use it as directed. If you have any questions, ask your doctor or pharmacist. Do not use this medication more than 4 times a day unless directed by your doctor. Allow medication to stay on painful area for at least 1 minute before spitting out or rinsing the mouth. Do not use large amounts of this drug or use more often than directed because the risk for serious side effects (including rarely fatal methemoglobinemia) will increase. Avoid getting this medication in the eyes. Stop using this medication and tell your doctor if your sore throat is severe or if it lasts for more than 2 days, or if your sore mouth symptoms last more than 7 days, or if you have a fever, headache, rash, swelling, </s>