Phenprocoumon has 4 known drug interactions based on U.S. FDA drug labeling data. 3 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Capecitabine, Phenobarbital, Phenobarbital Sodium. Patients taking Phenprocoumon should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 4
- Major
- 3
- Moderate
- 1
Major (3)
- Phenprocoumon + Capecitabine— Altered coagulation parameters and bleeding reported with coumarin-derivative anticoagulants. Monitor anticoagulant resp…
- Phenprocoumon + Phenobarbital— Barbiturates induce hepatic microsomal enzymes resulting in increased metabolism and decreased anticoagulant response.
- Phenprocoumon + Phenobarbital Sodium— Barbiturates induce hepatic microsomal enzymes resulting in increased metabolism and decreased anticoagulant response of…
Moderate (1)
- Phenprocoumon + Pentobarbital Sodium— Barbiturates induce hepatic microsomal enzymes, increasing metabolism and decreasing anticoagulant response. Dosage adju…