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Does Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc Interact with Fosphenytoin?

Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc and Fosphenytoin have a moderate drug interaction according to U.S. FDA drug labeling data. High doses of folic acid may decrease serum levels of this anticonvulsant drug. 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
Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc Class
Vitamin C
Management
Monitor for effects
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc and your doctor is considering prescribing Fosphenytoin (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
💊 Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc(Vitafol Ultra)+💊 Fosphenytoin(Cerebyx)

Severity & Interaction Details

🟡
moderate
Be aware — moderate interaction
Documented interaction with manageable risk. May require dose adjustment or monitoring.
Severity scale
MinorContra
On record
Yes
Drug A class
Vitamin C
Drug B class
—
Source
NLP:doconexent, niacinamide, .alpha.-tocopherol acetate, dl-, cholecalciferol, beta carotene, ascorbic acid, thiamine mononitrate, riboflavin, pyridoxine hydrochloride, cyanocobalamin, iron, zinc oxide, cupric oxide, potassium iodide, magnesium oxide, folic acid, and levomefolate calcium

What this means in plain English

High doses of folic acid may decrease serum levels of this anticonvulsant drug.

About Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc and Fosphenytoin

Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc is a Vitamin C. You may recognize them by the brand names Vitafol Ultra and Cerebyx. Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc is taken by mouth. Doconexent Niacinamide Alpha Tocopherol Acetate Dl Cholecalc additionally carries an FDA boxed warning, the FDA's strongest safety alert.

Recent research & FDA safety updates

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Auto-aggregated from PubMed E-utilities and FDA safety data.

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.