About fampridine
Potassium-channel blocker
Used for
- Improves walking ability in some adults with multiple sclerosis
Usual adult dose
10 mg by mouth every 12 hours; do not exceed two doses daily.
Common side effects
- Urinary tract infection
- Insomnia, dizziness, or headache
- Nausea
- Balance problems
Important warnings
- Seizures can occur; risk increases with higher doses or kidney impairment.
- Do not crush, split, or chew prolonged-release tablets.
- Not suitable for people with a seizure history or moderate-to-severe kidney impairment.
- Stop if walking does not improve after an appropriate trial.
Pregnancy
Pregnancy safety is not established; human data are limited.
Breastfeeding
It is unknown whether fampridine passes into breast milk; breastfeeding safety is not established.
Interactions
- Do not use with other fampridine-containing products.
- Cimetidine can raise fampridine levels and seizure risk.
- Other medicines that lower seizure threshold may increase seizure risk.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.