 <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]  nitroglycerin) to relieve attacks of chest pain as directed by your doctor. How to use Norvasc Read the Patient Information Leaflet if available from your pharmacist before you start taking amlodipine and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually once daily. If you are using the liquid form of this medication, check the manufacturer's information or ask your pharmacist for specific directions. Some brands of the liquid form should be shaken before use, while other brands do not need to be shaken before use. Carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose The dosage is based on your medical condition and response to treatment. Your doctor may gradually increase your dose. Follow your doctor's instructions carefully. Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. Keep taking this medication even if you feel well. Most people with high blood pressure do not feel sick. If used for angina, this medication must be taken regularly to be effective. It should not be </s>