Gabapentin side effects in dogs. While most of the gabapentin side effects in dogs are limited to mild sedation and ataxia, there are a number of more serious side effects that are associated with exceeding the recommended dosage. Pain management in veterinary medicine is getting a lot of attention these days. One medication, gabapentin, an anticonvulsant shown to reduce neuropathic pain and acute postsurgical pain in human medicine, is attracting interest from veterinary researchers. So that I can safely put her in a carrier to take her for her shots, my vet prescribed 100 mg Gabapentin for my cat. She is 9 years old and only 11.5 pounds. Although gabapentin has been around for many years, its use in dogs is fairly new. Learn how gabapentin can be used to relieve pain in dogs and what precautions you should take. Gabapentin, sold under the brand name Neurontin among others, is an anticonvulsant medication used to treat partial seizures, neuropathic pain, hot flashes, and restless legs syndrome. Gabapentin for dogs targets the nervous system of the animal, which can help with neuropathic pain and seizures suffered by dogs, especially those with epilepsy, chronic pain or in the later years of their lives. Gabapentin іѕ a popularly prescribed mеdісаtіоn for trеаtіng ѕеіzurеѕ, anxiety аnd раіn. Vets оftеn uѕе gаbареntіn fоr dоgѕ, and cats. Gabapentin for cats іѕ particularly popular bесаuѕе it has been сlіnісаllу proven to еffесtіvеlу reduce аnxіеtу in our feline friends. Gabapentin may be useful to treat chronic pain or as an anticonvulsant in pets. Find great prices on pain relievers at VetRxDirect, a Vet-VIPPS pet pharmacy. Gabapentin (also marketed under brand name Neurontin (®)) is an anticonvulsant and pain relief medicine intended for the relief of neuropathy (nerve pain). Gabapentin For Dogs – How It Works, the Dosage and Side Effects. None of us want our dogs to suffer, but medications can also be worrisome. Pain medications almost always come with overdose risks, and the potential for side effects.