You must not stop taking gabapentin even if you experience side effects like unusual changes in behavior or mood. If you suddenly stop taking
gabapentin, you may experience
withdrawal symptoms like anxiety, difficulty falling asleep or staying asleep, nausea. Your doctor would decrease the dose gradually over at least one week. Certain side effects, are unsteadiness, back or joint pain, nausea, vomiting, headaches, rarely difficulty swallowing or breathing etc.