What is Oral minoxidil (low-dose)?

The short answer

Oral minoxidil is the drug minoxidil in pill form, not the kind put on the scalp.

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What it is

Type
Vasodilator (potassium-channel opener) (not a peptide)
Also known as
minoxidil tablets, low dose oral minoxidil, loniten

Regulatory status

Not FDA-approved for this use How we label status

FDA status (as of October 4, 2026): Approved Rx (prescription only) as tablets for severe high blood pressure only. The first brand, Loniten (approved 1979), has been discontinued; generic tablets are approved. The label has a boxed warning, the most serious kind. Using it for hair loss is off-label, meaning not an approved use. Minoxidil for the scalp (Rogaine) is sold without a prescription and is a different product

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Federal (FDA)
Approved Rx (prescription only) as tablets for severe high blood pressure only. The first brand, Loniten (approved 1979), has been discontinued; generic tablets are approved. The label has a boxed warning, the most serious kind. Using it for hair loss is off-label, meaning not an approved use. Minoxidil for the scalp (Rogaine) is sold without a prescription and is a different product
503A compounding
Approved-drug component (not in any 503A category) (as of May 14, 2026)
WADA 2026
Not named

References

Sources as of October 4, 2026

  1. FDA: www.fda.gov/media/94164/download
  2. Drugs@FDA: www.accessdata.fda.gov/scripts/cder/daf/index.cfm