Medication·Interactions & depletion·Reviewed June 9, 2026
Topiramate interactions.
Topiramate has 3 documented interactions in the NutriStack database. Prolonged use is also associated with lower Calcium. The full interaction list, depletion table, and replacement suggestions are below. None of this is a substitute for your prescriber's advice.
Topiramate at a glance.
A quick, data-grounded summary. The full tables are below.
Topiramate has 3 documented interactions in the NutriStack database. Prolonged use is also associated with lower Calcium. The full interaction list, depletion table, and replacement suggestions are below. None of this is a substitute for your prescriber's advice.
Substances that interact with topiramate.
Every supplement and medication in the NutriStack database with a documented interaction with this drug, highest-severity first. Open any pair for the mechanism and sources.
| Substance | Interaction | What happens |
|---|---|---|
| Vitamin C | Caution | Topiramate increases kidney-stone risk by causing alkaline urine and hypocitraturia. High-dose vitamin C can increase urinary oxalate and has been... details → |
| Potassium | Synergy | Topiramate can cause renal carbonic anhydrase inhibition, metabolic acidosis, low urinary citrate, and sometimes low potassium, which increases... details → |
| Vitamin D3 | Synergy | Topiramate can reduce vitamin D levels and increase kidney stone risk. Vitamin D supplementation helps prevent bone loss but the carbonic anhydrase... details → |
What topiramate can deplete.
Nutrients this medication is associated with lowering over time, with the mechanism, a suggested replacement where one applies, and the biomarker to monitor. Discuss any replacement with your prescriber first.
| Nutrient | Severity | How it happens | Replace with | Monitor |
|---|---|---|---|---|
| Calcium | Mild | Topiramate therapy has been associated with changes in bone and mineral metabolism, including lower calcium status markers in some patients. | Calcium | Serum calcium + 25-OH vitamin D + bone density trend |
The full topiramate profile.
Uses, typical dosing, side effects, and the cited evidence for this medication.
Common topiramate questions.
Quick answers drawn from the tables above.
What interacts with Topiramate?
In the NutriStack database, Topiramate has 3 documented interactions. The most notable include Vitamin C, Potassium, and Vitamin D3. Check any specific combination before taking it and confirm with your prescriber.
Does Topiramate deplete any nutrients?
Topiramate is associated with lowering Calcium with prolonged use. Useful biomarkers to monitor include Serum calcium + 25-OH vitamin D + bone density trend. Ask your prescriber before adding any replacement supplement.
Is it safe to take Vitamin C with Topiramate?
NutriStack classifies the Vitamin C and Topiramate pairing as caution: Topiramate increases kidney-stone risk by causing alkaline urine and hypocitraturia. High-dose vitamin C can increase urinary oxalate and has been associated with... Avoid high-dose vitamin C while taking topiramate unless your clinician has a specific reason for it. Keep vitamin C near dietary or standard... Always confirm with your prescriber.
Check your whole stack
See how topiramate fits your supplements.
NutriStack screens your full routine for interactions and depletions, and updates the moment you change it.