Drug interactions
Difelikefalin + Topiramate
Severity: Moderate
Difelikefalin and Topiramate: 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
Difelikefalin can cause dizziness and somnolence, and topiramate also causes CNS depression. Taken together, sedation and cognitive impairment may be increased.
What this interaction means in plain words
Difelikefalin and Topiramate 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.
Difelikefalin belongs to Dermatology; Topiramate belongs to Central Nervous System.
Why it happens
Additive central nervous system depressant effects.
What to do
Monitor for excessive drowsiness, dizziness and falls, particularly in dialysis patients, and advise caution with driving.
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 Topiramate
Other interactions of Difelikefalin
- Acetazolamide + Difelikefalin Moderate
- Alprazolam + Difelikefalin Moderate
- Amantadine + Difelikefalin Moderate
- Amitriptyline + Difelikefalin Moderate
- Amobarbital + Difelikefalin Moderate
- Asenapine + Difelikefalin Moderate
Frequently asked questions
Can I take Difelikefalin with Topiramate?
MediHelp rates the interaction as moderate. Difelikefalin and Topiramate 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. Difelikefalin can cause dizziness and somnolence, and topiramate also causes CNS depression. Taken together, sedation and cognitive impairment may be increased.
How serious is the interaction between Difelikefalin and Topiramate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for excessive drowsiness, dizziness and falls, particularly in dialysis patients, and advise caution with driving.
What other medicines interact with Topiramate?
MediHelp also lists interactions of Topiramate with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Topiramate page.
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