Diltiazem

Diltiazem is used to treat angina (heart-related chest pain), high blood pressure, and some types of irregular heartbeats (arrhythmia). It is known as a calcium channel blocker. It works by relaxing blood vessels to lower blood pressure. This helps to reduce the workload of the heart.

Common side effects of Diltiazem

Headache, Dizziness, Nausea, Edema (swelling)