G gabapentin ga-ba-pen-tin (Apo-Gabapentin , Gralise, Horizant, Neurontin) Do not confuse Neurontin with Motrin, Neoral, nitrofurantoin, Noroxin, or Zarontin. classification PHARMACOTHERAPEUTIC: Gamma-aminobutyric acid analogue. CLINICAL: Anticonvulsant, antineuralgic (see p. 36C)….