Drug interactions
Dalfampridine + Glipizide-metformin
Severity: Moderate
Dalfampridine and Glipizide-metformin: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both metformin and dalfampridine are eliminated partly through renal OCT2 secretion, so each may raise the exposure of the other. Dalfampridine accumulation increases seizure risk, particularly in renal impairment.
What this interaction means in plain words
Dalfampridine and Glipizide-metformin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Dalfampridine belongs to Central Nervous System; Glipizide-metformin belongs to Endocrine.
Why it happens
Competition for renal tubular secretion via OCT2.
What to do
Check renal function before and during combined use and monitor for dalfampridine adverse effects such as dizziness or seizures and for metformin intolerance.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Glipizide-metformin
Other interactions of Dalfampridine
Frequently asked questions
Can I take Dalfampridine with Glipizide-metformin?
MediHelp rates the interaction as moderate. Dalfampridine and Glipizide-metformin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both metformin and dalfampridine are eliminated partly through renal OCT2 secretion, so each may raise the exposure of the other. Dalfampridine accumulation increases seizure risk, particularly in renal impairment.
How serious is the interaction between Dalfampridine and Glipizide-metformin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check renal function before and during combined use and monitor for dalfampridine adverse effects such as dizziness or seizures and for metformin intolerance.
What other medicines interact with Glipizide-metformin?
MediHelp also lists interactions of Glipizide-metformin with, for example, Contrast media, Diatrizoate meglumine / diatrizoate, Diatrizoate. The full list is on the Glipizide-metformin page.
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