Drug Interaction Report

Halobetasol Topical and Bemiparin: Interaction Details

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

Halobetasol Topical

Duobrii (as a combination product containing Halobetasol, Tazarotene) Lexette Lexette® Ultravate®
+

Bemiparin

No brand names on record
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by
Updated Aug 8, 2026
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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 21 documented Halobetasol Topical interactions, 13 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
unspecified
Evidence
theoretical
Severity
Major

What happens

Increased risk of bleeding

Interaction Deep Dive

Concomitant use of bemiparin and systemic glucocorticoids is not recommended as this may interfere with coagulation and/or platelet function and increase the risk of bleeding. If coadministration cannot be avoided, caution is advised and careful clinical and laboratory monitoring is recommended1.

Why it happens (mechanism)

Unknown

Common questions

Can I take Halobetasol Topical and Bemiparin together?

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

How serious is the Halobetasol Topical and Bemiparin interaction?

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

How quickly could this interaction happen?

The documented onset is "unspecified". The timing of this interaction is not well characterized.

How strong is the evidence for this interaction?

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

Questions for your pharmacist

  • Does my dose of Halobetasol Topical or Bemiparin 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 (1)

  1. Product Information: ZIBOR subcutaneous injection, bemiparin sodium subcutaneous injection. Frosst Iberica, S.A. (per MHRA), Madrid, Spain, 2013.
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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.