 <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]  right away. Keep all medical and lab appointments. Consult your doctor for more details.  Missed Dose Refer to the product package information for advice on missed doses. You may need to use back-up birth control (such as condoms, spermicide) to prevent pregnancy. Ask your doctor or pharmacist if you have any questions. If you often forget to take your pills as directed, contact your doctor to discuss switching to another form of birth control.  Storage Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Procardia XL Oral: Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems.This medication is also used for certain types of chest pain (angina). It may help increase your ability to exercise and decrease the frequency of chest pain attacks. It should not be used to treat chest pain when it </s>