Dilt XR

Definition

Dilt XR is an extended-release formulation of diltiazem, a calcium channel blocker used to treat hypertension and control certain types of arrhythmias. It works by relaxing the muscles of the heart and blood vessels.

5 Must Know Facts For Your Next Test

1. Dilt XR is primarily used for managing chronic hypertension and angina.
2. It belongs to Class IV antiarrhythmic drugs, which are calcium channel blockers.
3. Dilt XR can help control atrial fibrillation and flutter by slowing down the heart rate.
4. Common side effects include dizziness, headache, and edema in the extremities.
5. Patients should not abruptly stop taking Dilt XR without consulting their healthcare provider due to the risk of severe cardiovascular events.

Review Questions

• What class of antiarrhythmic drugs does Dilt XR belong to?
• What are two common uses for Dilt XR in clinical practice?
• Why should patients avoid abruptly discontinuing Dilt XR?

Related terms

Calcium Channel Blockers: A class of medications that disrupt the movement of calcium through calcium channels, often used to treat high blood pressure and arrhythmias.

Atrial Fibrillation: An irregular and often rapid heart rate that can lead to poor blood flow.

Angina: A condition marked by severe chest pain due to inadequate blood supply to the heart.