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What the FDA labels say about taking them together

Hydralazine and pindolol

Pindolol's FDA label of March 17, 2026 names hydralazine in its drug interactions section; the hydralazine label PlainMeds reads does not name pindolol.

Check it at the source: the hydralazine FDA label on DailyMed (effective April 3, 2026, Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.); the pindolol FDA label on DailyMed (effective March 17, 2026, Sun Pharmaceutical Industries, Inc.).

What does the hydralazine label say about pindolol?

Hydralazine's label (effective April 3, 2026) does not name pindolol in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Hydralazine Hydrochloride), Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc., effective April 3, 2026 (SPL set 669532c9-ba15-4f4b-95a8-13782deb3521), via openFDA; the full label on DailyMed

What does the pindolol label say about hydralazine?

Pindolol label, drug interactions

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

Source: FDA drug label (Pindolol), Sun Pharmaceutical Industries, Inc., effective March 17, 2026 (SPL set b331a73f-bf7b-4442-8901-36d016530279), via openFDA; the full label on DailyMed

These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.

Both medicines on the record

43Hydralazine generic labelers
8Pindolol generic labelers
HydralazinePindolol
Labeled forn/aHigh blood pressure
Boxed warningNoNo
Pharmacy cost (NADAC)$0.0357 per tablet 25 mg tablet$0.854 per tablet 10 mg tablet
Shortage nowListed; availableA presentation being discontinued

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

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