About gabapentin
Anticonvulsant; neuropathic pain medicine
Used for
- Partial seizures, usually with other seizure medicines
- Nerve pain after shingles
- Other nerve pain, depending on local approval
Usual adult dose
Often starts at 300 mg once daily, increasing gradually; commonly 900–3,600 mg daily in divided doses.
Usual dose in children
For partial seizures from age 3: dose is weight-based, commonly 10–15 mg/kg daily initially, increased under specialist guidance.
Common side effects
- Sleepiness or dizziness
- Unsteadiness or poor coordination
- Tiredness
- Swelling in the legs
Important warnings
- Do not stop suddenly; withdrawal can trigger seizures.
- May cause serious breathing problems, especially with opioids or sedatives.
- Can cause mood changes or suicidal thoughts.
- Dose may need adjustment with kidney problems.
Pregnancy
Use only when needed and under medical supervision; do not stop seizure treatment suddenly.
Breastfeeding
Passes into breast milk; use may be considered with monitoring for infant sleepiness or poor feeding.
Interactions
- Opioids and sedatives increase sleepiness and breathing risks.
- Antacids containing aluminum or magnesium reduce absorption; separate by at least two hours.
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 It may be incomplete or out of date.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.