Side effects and cautions

Vasodilators are strong medicines. They generally are used only when other medicines haven't controlled blood pressure well enough.

Vasodilators may have side effects. Some side effects may need to be treated by taking other medicines.

Possible side effects of vasodilators include:

• Fast heartbeat.
• Fluttering, pounding or rapid heartbeat.
• Swelling due to fluid buildup in the body, called edema.
• Nausea.
• Vomiting.
• Headache.
• Excessive hair growth.
• Joint pain.
• Chest pain.

Talk to your healthcare team if you have any questions about the medicines you take.