Gabapentin cause memory loss?

Yes—gabapentin can cause memory problems in some people.

How it can affect memory

Gabapentin may lead to:

• “Brain fog” / slowed thinking
• Difficulty concentrating
• Short-term memory issues
• Confusion (more likely at higher doses or with other sedating medicines)

Why it happens

It has sedating effects for many people and can affect attention and processing speed. Risk is higher if:

• You’re taking higher doses
• You start or increase the dose recently
• You’re older (or have kidney problems—gabapentin is cleared by the kidneys)
• You take other medications that cause sedation (e.g., opioids, benzodiazepines, alcohol, some sleep meds, antihistamines)

What to do

• Don’t stop suddenly without medical advice (especially if it’s for seizures or nerve pain).
• Tell your prescriber if you notice memory or confusion—dose adjustment or slower titration may help.
• Seek urgent care if you have severe confusion, trouble staying awake, fainting, or breathing problems, especially if combined with opioids/benzos.

Quick question (to tailor advice)

Are you taking gabapentin for nerve pain or seizures, and what dose (and how long you’ve been on it)?