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What the FDA labels say about taking them together

Alpha-tocopherol, ascorbic acid and 11 other ingredients and hydralazine

Alpha-tocopherol, ascorbic acid and 11 other ingredients's FDA label of June 5, 2026 names hydralazine in its drug interactions section; the hydralazine label PlainMeds reads does not name alpha-tocopherol, ascorbic acid and 11 other ingredients. The alpha-tocopherol, ascorbic acid and 11 other ingredients label: “Hydralazine, Isoniazid: Concomitant administration of hydralazine or isoniazid may increase pyridoxine requirements.”

Check it at the source: the alpha-tocopherol, ascorbic acid and 11 other ingredients FDA label on DailyMed (effective June 5, 2026); the hydralazine FDA label on DailyMed (effective April 3, 2026, Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.).

What does the alpha-tocopherol, ascorbic acid and 11 other ingredients label say about hydralazine?

Alpha-tocopherol, ascorbic acid and 11 other ingredients label, drug interactions

Hydralazine, Isoniazid: Concomitant administration of hydralazine or isoniazid may increase pyridoxine requirements ( 7.2 ).

Source: FDA drug label (Multiple Vitamins (Adult) Pharmacy Bulk Package), Apotex Corp., effective June 5, 2026 (SPL set 65701853-78f0-c3cc-1237-5595c59c1bd1), via openFDA; the full label on DailyMed

What does the hydralazine label say about alpha-tocopherol, ascorbic acid and 11 other ingredients?

Hydralazine's label (effective April 3, 2026) does not name alpha-tocopherol, ascorbic acid and 11 other ingredients 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

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

1Alpha-tocopherol, ascorbic acid and 11 other ingredients generic labelers
43Hydralazine generic labelers
Alpha-tocopherol, ascorbic acid and 11 other ingredientsHydralazine
Labeled forn/an/a
Boxed warningNoNo
Pharmacy cost (NADAC)n/a$0.0357 per tablet 25 mg tablet
Shortage nowNo current entryListed; available

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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