Side effect from neurotin?

Main one: All drugs have many side effects, including neurontin (gabapentin). One of the most commonly reported side effect is drowsiness especially when initiating or increasing dose for neurontin (gabapentin).

Neurontin (gabapentin) S/E: Dizziness, fatigue, weight gain, oedema, drowsiness, liver toxicity (rare).

See below: Dizziness, fatigue, drowsiness, and fluid build up in the feet, legs, ankles, and hands are all possible side effects of Neurontin (also known as gabapentin).