Uses: 

It's primarily used to treat high blood pressure (hypertension) and chest pain (angina) by relaxing blood vessels, making it easier for the heart to pump blood.

Precautions:

• Avoid grapefruit or grapefruit juice while taking Nifedipine, as it can interact and lead to potentially serious side effects.
• Follow the prescribed dosage and do not chew or crush the extended-release tablets.

Side Effects:

• Common side effects may include dizziness, flushing, headache, swelling in the ankles or feet, and rapid heartbeat.
• Serious side effects might include fainting, fast/irregular/pounding heartbeat, and signs of a severe allergic reaction (rash, itching/swelling, severe dizziness, trouble breathing).