Does Gabapentin Cause Memory Loss or Dementia? Separates medical fact from common concern, offering clear insight into this widely discussed medication side effect. Gabapentin may cause short-term mental fogginess or forgetfulness, but current research does not strongly link it to permanent dementia. Distinguishing between temporary cognitive side effects and long-term neurological risk is essential for informed health decisions. With careful management, dose adjustments, and professional guidance, patients can minimize unwanted effects while maintaining effective treatment. Empower yourself with knowledge, reduce unnecessary worry, and navigate your treatment plan with greater confidence and clarity.