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Does Captopril And Hydrochlorothiazide Interact with Hydrochlorothiazide?

Captopril And Hydrochlorothiazide and Hydrochlorothiazide have a unknown drug interaction according to U.S. FDA drug labeling data. Gold : Nitritoid reactions (symptoms include facial flushing, nausea, vomiting and hypotension) have been reported rarely in patients on therapy with injectable gold (sodium aurothiomalate) and concomitant ACE inhibitor therapy including captopril and hydrochlorothiazide tablets. If a diuretic is also used, it may increase the risk of lithium toxicity (see PRECAUTIONS: Drug Interactions: Hydrochlorothiazide: Lithium ). Hydrochlorothiazide : When administered concurrently the following drugs may interact with thiazide diuretics: Alcohol, Barbiturates, or Narcotics : potentiation of orthostatic hypotension may occur. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Unknown
Captopril And Hydrochlorothiazide Class
Thiazide Diuretic
Hydrochlorothiazide Class
Thiazide Diuretic
Management
Consult your pharmacist
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Captopril And Hydrochlorothiazide and your doctor is considering prescribing Hydrochlorothiazide (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Never stop or change either medication without first consulting your healthcare provider
💊 Captopril And Hydrochlorothiazide(Captopril And Hydrochlorothiazide)+💊 Hydrochlorothiazide(Tribenzor)

Severity & Interaction Details

ℹ️
unknown
Interaction documented — severity unclassified
The FDA label notes an interaction but the severity is not classified in our dataset.
Severity scale
MinorContra
On record
Yes
Drug A class
Thiazide Diuretic
Drug B class
Thiazide Diuretic
Source
FDA drug label - captopril and hydrochlorothiazide

What this means in plain English

Gold : Nitritoid reactions (symptoms include facial flushing, nausea, vomiting and hypotension) have been reported rarely in patients on therapy with injectable gold (sodium aurothiomalate) and concomitant ACE inhibitor therapy including captopril and hydrochlorothiazide tablets. If a diuretic is also used, it may increase the risk of lithium toxicity (see PRECAUTIONS: Drug Interactions: Hydrochlorothiazide: Lithium ). Hydrochlorothiazide : When administered concurrently the following drugs may interact with thiazide diuretics: Alcohol, Barbiturates, or Narcotics : potentiation of orthostatic hypotension may occur.

About Captopril And Hydrochlorothiazide and Hydrochlorothiazide

Captopril And Hydrochlorothiazide and Hydrochlorothiazide both belong to the Thiazide Diuretic class. Hydrochlorothiazide is also sold under the brand name Tribenzor. Both medications are taken by mouth. Captopril And Hydrochlorothiazide additionally carries an FDA boxed warning, the FDA's strongest safety alert.

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.