hydralazine vs pindolol

According to this portal's Publishing Organization, this page was last reviewed in August 2026 against our methodology. Figures and extracts on this site, including tables above 1,000 rows when the corpus is that large, are the publisher's responsibility.

Side-by-side comparison of hydralazine and pindolol. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

minor Known Drug Interaction

Pindolol has been used with a variety of antihypertensive agents, including hydrochlorothiazide, hydralazine, and guanethidine without unexpected adverse interactions.

Drug Class
hydralazine Vasodilator
pindolol Beta-Blocker with ISA
Type
hydralazine Prescription
pindolol Prescription
Summary
hydralazine

Hydralazine is a drug that lowers blood pressure by relaxing blood vessels. It can be used alone or with other medications.

pindolol

Pindolol is a medicine that lowers high blood pressure. It belongs to a class of drugs called beta-blockers.

What It Treats
hydralazine

Hydralazine is used to treat high blood pressure (hypertension). It can be used by itself or with other blood pressure medicines. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems.

pindolol

Pindolol treats high blood pressure. You can take it alone or with other blood pressure medicines. It often works well when combined with a water pill (diuretic).

How It Works
hydralazine

Hydralazine works by relaxing the muscles in your blood vessels. This allows blood to flow more easily. As a result, your blood pressure goes down.

pindolol

Pindolol blocks the effects of certain natural chemicals in your body, like adrenaline. This helps to slow down your heart rate and lower your blood pressure. It also has some stimulating activity of its own.

Common Side Effects
hydralazine
  • Headache
  • Loss of appetite
  • Nausea
  • Vomiting
  • Diarrhea
pindolol
  • Bizarre or many dreams
  • Dizziness
  • Fatigue
  • Insomnia
  • Nervousness
FAERS Reports
hydralazine
  • Chronic Kidney Disease 2,819
  • Acute Kidney Injury 2,616
  • Renal Failure 2,097
  • End Stage Renal Disease 1,585
  • Fatigue 1,542
pindolol
  • Fatigue 43
  • Nausea 43
  • Urinary Tract Infection 42
  • Dizziness 41
  • Drug Interaction 40
Serious Warnings
hydralazine

Taking high doses of hydralazine can cause a drug-induced lupus erythematosus (L.E.) cell syndrome. Your doctor will monitor your dose to avoid this.

pindolol

You should not take pindolol if you have asthma, heart failure, cardiogenic shock, second or third-degree heart block, or a very slow heart rate.

Pregnancy
hydralazine

Tell your doctor if you are pregnant or plan to become pregnant. It is not known if hydralazine will harm an unborn baby. Talk to your doctor about the risks and benefits of taking hydralazine during pregnancy or while breastfeeding.

pindolol

Tell your doctor if you are pregnant or plan to become pregnant. It is not known if pindolol will harm your unborn baby. Talk to your doctor about the risks and benefits of taking pindolol while breastfeeding.

Also Compare, Nearby Drugs

Compare hydralazine with

How to Read This hydralazine vs pindolol Comparison

hydralazine is classified in the Vasodilator drug class, while pindolol sits within the Beta-Blocker with ISA class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, hydralazine has 10,659 submissions while pindolol has 209. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to these two blood pressure medicines can be used together safely. they do not have any harmful interactions when taken at the same time.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for hydralazine or pindolol.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.