Drug Interaction Report

Reviparin and Minocycline: Interaction Details

A pharmacist-reviewed analysis of the Reviparin and Minocycline interaction: the documented clinical effects, severity rating, onset, mechanism, and management considerations, with cited references throughout.

AI-assisted, pharmacist-reviewed · Source data updated Aug 8, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature

Minocycline

Amzeeq Arestin Cleeravue-M Dynacin® Emrosi Minocin Minocin® Minolira
+

Reviparin

No brand names on record
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by
Dr. Brian Staiger, PharmD, BCPS
Updated Aug 8, 2026
Editorial policy · Data sources
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Interaction severity
Major
Potentially serious — often needs a change or close monitoring.
How we grade severity & evidence

Severity levels

  • Contraindicated: These should generally not be used together.
  • Major: Potentially serious — often needs a change or close monitoring.
  • Moderate: Can be significant — usually manageable with monitoring.
  • Minor: Usually limited clinical impact.

Evidence grades

  • Established: Well documented — supported by controlled studies or strong clinical data.
  • Probable: Good supporting evidence, though not definitively proven.
  • Suspected: Some evidence suggests this interaction, but it is not well established.
  • Possible: Limited or conflicting evidence; the interaction may occur.
  • Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.

Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.

Of 49 documented Reviparin interactions, 43 are rated major — including this one.
Worried about symptoms right now? Contact your pharmacist or prescriber, or call Poison Control at 1-800-222-1222 (US). Call 911 for an emergency.
Onset
delayed
Evidence
theoretical
Severity
Major

What happens

An increased risk of bleeding

Interaction Deep Dive

Coadministration of minocycline and anticoagulant agents may increase the risk of bleeding. Because tetracyclines have been shown to reduce plasma prothrombin activity, patients who are on anticoagulant therapy may require downward adjustment of their anticoagulant dosage1.

Why it happens (mechanism)

Reduced plasma prothrombin activity

Literature reports

1 report — tap to read

a) Tetracycline therapy has been shown to reduce plasma prothrombin activity 23456.

Common questions

Can I take Reviparin and Minocycline together?

An increased risk of bleeding Always confirm with your pharmacist or prescriber before making any change.

How serious is the Reviparin and Minocycline interaction?

It is rated major. Potentially serious — often needs a change or close monitoring.

How quickly could this interaction happen?

The documented onset is "delayed". Effects tend to build up gradually over days to weeks.

How strong is the evidence for this interaction?

The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.

From our Q&A

Real reader questions about these medications, each personally answered by our pharmacist:

Questions for your pharmacist

  • Does my dose of Reviparin or Minocycline need adjusting while I take them together?
  • What symptoms should prompt me to call you or my prescriber right away?
  • Does the timing of my doses matter for this combination?
  • Is there a safer alternative to one of these medications for me?

References (6)

  1. Product Information: EMROSI(R) oral extended-release capsules, minocycline HCl oral extended-release capsules. Journey Medical Corporation (per FDA), Scottsdale, AZ, 2024. DailyMed
  2. Westfall LK, Mintzer DL, & Wiser TH: Potentiation of warfarin by tetracycline (letter). Am J Hosp Pharm 1980; 37:1620. DOI
  3. Finegold SM: Interaction of antimicrobial therapy and intestinal flora. Am J Clin Nutr 1970; 23:1466. PubMed
  4. Martin WJ: Hemorrhagic diathesis induced by antimicrobials. JAMA 1968; 205:192.
  5. Messinger WJ: The effect of a bowel sterilizing antibiotic on blood coagulation mechanisms. Angiology 1965; 16:29. DOI
  6. Searcy RL, Simms NM, Foreman JA, et al: Evaluation of the blood-clotting mechanism in tetracycline-treated patients. Antimicrob Agents Chemother 1964; 10:179-183.
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Minocycline

Keep reading about Minocycline

All Minocycline interactions (112) Minocycline drug information
Also serious with: Acitretin Isotretinoin Penicillin G Benzathine Injection Penicillin V Potassium
Reviparin

Keep reading about Reviparin

All Reviparin interactions (49)
Also serious with: Defibrotide Injection Orlistat Aspirin Edoxaban
Beyond drug–drug

These medications also interact with supplements

Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:

Minocycline + Activated Charcoal Asarabacca Beer Danshen Oleander Piracetam Siberian Cocklebur St. John's Wort + 323 more

major · moderate · minor — check everything you take with our drug–supplement interaction checker.

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This information is for education, not a substitute for professional medical advice. Do not start, stop, or change any medication without talking to your pharmacist or prescriber.