Hydralazine

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What is hydralazine?

Hydralazine is a direct-acting vasodilator used to treat high blood pressure, particularly in cases where other medications haven't achieved adequate control or aren't appropriate—such as during pregnancy-related hypertension. It works by directly relaxing the smooth muscle in arterial walls, causing blood vessels to widen and blood pressure to drop. Because it acts so directly on blood vessels, it often causes reflex heart rate increases, which is why it's frequently combined with a beta-blocker. It's taken orally two to four times daily, and an IV form is used in hospital settings for hypertensive emergencies.

Direct arterial vasodilation

Relaxes smooth muscle in arteriolar walls through mechanisms that involve interference with calcium release and utilization, causing blood vessels to dilate and peripheral vascular resistance — and therefore blood pressure — to fall.

Pregnancy hypertension use

One of the few antihypertensives with a long safety record in pregnancy, making it a go-to option for managing hypertension in pregnant people when beta-blockers or ACE inhibitors are not appropriate.

Reflex tachycardia consideration

The rapid blood pressure reduction triggers a compensatory reflex increase in heart rate — which is why hydralazine is commonly paired with a beta-blocker to counteract this effect and improve tolerability.

Ongoing support, always available.

Your care doesn’t end after your visit. Message your care team anytime to discuss side effects, ask questions about your medication, or request a refill.

We stay proactive so your care stays steady — adjusting your plan as needed and keeping you informed every step of the way.

What our customers have to say

4.7 stars from 550+ reviews

Everything is upfront

Everything is upfront and exactly what they state. No hidden costs or fees. Great experience!

Leslie

I felt heard and they followed through

I felt heard and they followed through until my prior authorization was approved after it was denied. They maintained communication with me until I received my medication.

Nichelle C

Got refills quickly and affordably

I needed medication refills, and they were able to fill them quickly and affordably.

Mya Harbison

Quick and easy from booking to Zoom

Everything was quick and easy from booking the blood work to our Zoom appointment. The doctor was pleasant and attentive.

Judy S

Listened and responded right away

The physician I was paired with listened to all of my concerns and responded right away. She was thorough, and I received my medication within hours.

Camille

Prescription confirmed within 45 minutes

I’d run out of a medication while I was in the process of changing doctors. I provided some information, and my prescription was done and confirmed within 45 minutes.

Mark

Thorough history check and a prompt prior authorization

They were very thorough in checking my medical history for any possible problems with the new medication, and very prompt in handling the prior authorization with the pharmacy and the insurance carrier.

Louis

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