Oritavancin and Heparin Interaction

Drug interaction information between Oritavancin and Heparin.

Oritavancin and Heparin have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Oritavancin and Heparin. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Oritavancin

Lipoglycopeptide Antibiotic

Drug B

Heparin

Unfractionated Heparin

How They Interact

Oritavancin does not interfere with the blood tests used to find a specific type of heparin allergy.

FDA Label Information

In addition, oritavancin does not affect tests that are used for diagnosis of Heparin Induced Thrombocytopenia (HIT).

Oritavancin Also Interacts With

View all Oritavancin interactions →

Frequently Asked Questions

What SPL severity band is on file for Oritavancin + Heparin?

Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Heparin has 20 labeled pairs on file vs Oritavancin's 2. In the minor band specifically: Oritavancin has 2 (also Warfarin); Heparin has 10 (also Nitroglycerin, Amlodipine/Valsartan, Levothyroxine, Liothyronine).

What mechanism field is on file for Oritavancin and Heparin?

Oritavancin does not interfere with the blood tests used to find a specific type of heparin allergy.

Heparin's labeled portfolio outnumbers Oritavancin

SPL source-record counts only. This page's band is minor · classes on file: Oritavancin (Lipoglycopeptide Antibiotic); Heparin (Unfractionated Heparin).

Oritavancin

0 major · 0 moderate · 2 minor · 2 total

  • Other minor peers for Oritavancin
  • Warfarin
Heparin

0 major · 10 moderate · 10 minor · 20 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.