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What the FDA labels say about taking them together

Captopril/hydrochlorothiazide and probenecid

Captopril/hydrochlorothiazide's FDA label of February 21, 2023 names probenecid in its drug interactions section; the probenecid label PlainMeds reads does not name captopril/hydrochlorothiazide. The captopril/hydrochlorothiazide label: “Probenecid or Sulfinpyrazone: increased dosage of these agents may be necessary since hydrochlorothiazide may have hyperuricemic effects.”

Check it at the source: the captopril/hydrochlorothiazide FDA label on DailyMed (effective February 21, 2023, Rising Pharma Holdings, Inc.); the probenecid FDA label on DailyMed (effective January 5, 2021, Lannett Company, Inc.).

What does the captopril/hydrochlorothiazide label say about probenecid?

Captopril/hydrochlorothiazide label, drug interactions

Probenecid or Sulfinpyrazone: increased dosage of these agents may be necessary since hydrochlorothiazide may have hyperuricemic effects.

Source: FDA drug label (CAPTOPRIL AND HYDROCHLOROTHIAZIDE), Rising Pharma Holdings, Inc., effective February 21, 2023 (SPL set 0ea90fd4-0da6-4ad2-ab83-6cfbe0ae515e), via openFDA; the full label on DailyMed

What does the probenecid label say about captopril/hydrochlorothiazide?

Probenecid's label (effective January 5, 2021) does not name captopril/hydrochlorothiazide in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Probenecid), Lannett Company, Inc., effective January 5, 2021 (SPL set ab497fd8-00c3-4364-b003-b39d21fbdf38), 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

1Captopril/hydrochlorothiazide generic labelers
6Probenecid generic labelers
Captopril/hydrochlorothiazideProbenecid
Labeled forHigh blood pressureGout
Boxed warningYesNo
Pharmacy cost (NADAC)n/a$0.636 per tablet 500 mg tablet
Shortage nowNo current entryNo current entry

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

What next?