Key facts about Hydralazine
What dosages is Hydralazine available in?
Hydralazine is available as a 10 mg, 25 mg, 50 mg, and 100 mg tablet.
What is Hydralazine used for?
Hydralazine is a vasodilator that is used to treat high blood pressure.
How does Hydralazine work?
Hydralazine is known as a vasodilator. This class of medications works by relaxing your blood vessels, which then lowers your blood pressure.
How do I take Hydralazine?
Hydralazine is typically taken by mouth up to 4 times a day. The maximum dose of Hydralazine is a total of 300 mg in one day.
Is it safe for me to take Hydralazine?
Hydralazine is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not take this medication if you have coronary artery disease or mitral valve rheumatic heart disease.
Hydralazine Common Side Effects
Common side effects of Hydralazine include:
- Headache
- Nausea
- Vomiting
- Diarrhea
- Lack or loss of appetite
- Rapid or abnormal heartbeat
- Chest pain
Hydralazine Serious Side Effects
Serious side effects are rare with Hydralazine. Contact your healthcare provider immediately if you experience any of the following.
Heart attack: chest pain or pressure; shortness of breath; sweating; nausea; uncomfortable sensation in your arms, neck, or jaw
Effects of other drugs, drug classes and over-the-counter products on Hydralazine
The following medications may interact with Hydralazine:
- MAO inhibitors – May cause a significant drop in blood pressure if taken together.
Who makes Hydralazine?
Various FDA-approved generic manufacturers
Is Hydralazine safe in pregnancy?
It is not known if Hydralazine will harm your unborn baby. If you become pregnant while receiving Hydralazine, talk to your healthcare provider.













