Nifedipine is a calcium channel blocker commonly used to treat high blood pressure (hypertension) and angina (chest pain). It works by relaxing and widening blood vessels, which improves blood flow and reduces the workload on the heart.

Key Facts:

• Class: Dihydropyridine calcium channel blocker

• Mechanism: Inhibits calcium ions from entering smooth muscle cells of the heart and arteries

• Main Uses:

  • Hypertension – lowers blood pressure and prevents complications like stroke

  • Angina pectoris – relieves chest pain by improving oxygen delivery to the heart

  • Sometimes used in preterm labor to relax the uterus

Common Forms:

• Immediate-release (used for quick action in emergencies like hypertensive crises)

• Extended-release (for daily management)

Side Effects May Include:

• Headache

• Flushing

• Dizziness

• Swelling of ankles/feet (edema)

• Palpitations