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Does Tinidazole Interact with Oxytetracycline?

Tinidazole and Oxytetracycline have a unknown drug interaction according to U.S. FDA drug labeling data. Oxytetracycline : Oxytetracycline was reported to antagonize the therapeutic effect of metronidazole. 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
Tinidazole Class: Nitroimidazole Antimicrobial
Management: Consult your pharmacist
Data Source: U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Tinidazole and your doctor is considering prescribing Oxytetracycline (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

💊 Tinidazole(Tindamax)+💊 Oxytetracycline(Noromycin)

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

Nitroimidazole Antimicrobial

Drug B class

—

Source

FDA drug label - tinidazole

What this means in plain English

Oxytetracycline : Oxytetracycline was reported to antagonize the therapeutic effect of metronidazole.

About Tinidazole and Oxytetracycline

Tinidazole is a Nitroimidazole Antimicrobial. You may recognize them by the brand names Tindamax and Noromycin. Tinidazole is taken by mouth. Tinidazole additionally carries an FDA boxed warning, the FDA's strongest safety alert.

Recent research & FDA safety updates

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Auto-aggregated from PubMed E-utilities and FDA safety data.

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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.