Does Phenobarbital Interact with Doxercalciferol?
Phenobarbital and Doxercalciferol have a moderate drug interaction according to U.S. FDA drug labeling data. Enzyme inducer that may enhance the 25-hydroxylation of doxercalciferol. Dose adjustment of doxercalciferol may be necessary. The mechanism involves enhances cyp 27-mediated activation of doxercalciferol. 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
- Moderate
- Doxercalciferol Class
- Vitamin D2 Analog
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Phenobarbital and Doxercalciferol occurs because enhances cyp 27-mediated activation of doxercalciferol. Clinically, this means enzyme inducer that may enhance the 25-hydroxylation of doxercalciferol. dose adjustment of doxercalciferol may be necessary. This is classified as a moderate interaction. While it may not require stopping either medication, your healthcare provider should be aware you are taking both so they can monitor for potential effects and adjust treatment if necessary.
What To Tell Your Doctor or Pharmacist
If you are taking Phenobarbital and your doctor is considering prescribing Doxercalciferol (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
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider