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Understanding Gabapentin Side Effects
March 31st, 2026

Does Gabapentin Make You Drowsy?

Yes, gabapentin commonly causes drowsiness, affecting up to 21% of patients taking the medication. This side effect typically occurs because gabapentin affects neurotransmitters in the brain that regulate sleep and wakefulness. The drowsiness is usually most pronounced when first starting the medication or after dose increases. Most patients experience reduced drowsiness after 1-2 weeks as their body adjusts to the medication. Taking gabapentin at bedtime can help minimize daytime drowsiness while still providing therapeutic benefits for nerve pain or seizure control.

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