I am taking gabapentin 400mg three tablet three times a day, i am worry about the side effect?

Neurontin (gabapentin) S/E: Dizziness, fatigue, weight gain, oedema, drowsiness, liver toxicity (rare). Discuss with your prescribing doc.

Side effects: Gabapentin may cause some unwanted effects. More common: drowsiness, dizziness, weight gain, clumsiness or unsteadiness, uncontrolled eye movements less common: chest pain, chills, cough, depression, irritability, or other mood or mental changes, fever, loss of memory ., ...