Another serious side effect of gabapentin in dogs is liver damage. In rare cases, gabapentin can cause liver toxicity, which can lead to liver failure and death. This risk is higher in dogs with pre-existing liver disease or those taking other medications that can affect liver function. He continues to remain off gabapentin without any sequelae of liver disease. Discussion. Gabapentin, a gamma-aminobutyric acid (GABA) analogue with an obscure mechanism of action, is Food and Drug Administration (FDA) approved for the management of epilepsy and post-herpetic neuralgia . Additionally, it is used, off-label, for the treatment of Gabapentin for dogs is an anti-seizure and pain medication commonly prescribed to dogs by veterinarians. Gabapentin for dogs may be helpful for treating chronic pain especially nerve pain that is secondary to neurological diseases such as slipped discs. The most common side effects of gabapentin in dogs include sedation and dizziness. Some preparations of gabapentin contain xylitol that is toxic for dogs. It should be used with extreme caution in dogs with kidney or liver disease. What Is Gabapentin? Gabapentin is the active substance found in medicines such as Neurontin®, Gralise®, and Horizant®. It is a human drug used to treat pain from peripheral neuropathy and epilepsy. Is Gabapentin okay for dogs with liver disease? My dog took gabapentin for arthritis for a few days and it really helps. She barely moves without it. My dog has elevated liver enzymes (mild) but the vet isn’t sure if it’s mild or serious. She is taking supplements for this. So dogs with kidney or liver problems may have more prolonged side effects. Your veterinarian may want to monitor kidney and liver blood values when using gabapentin long-term. Recommended Gabapentin should be USED WITH CAUTION in pets that: have kidney disease; are pregnant and/or lactating ; Do not stop this medication abruptly in pets with epilepsy, as this can cause withdrawal seizures. Some liquid oral formulations contain xylitol, a sugar substitute that is toxic to dogs, so be cautious and read the label before administering. Gabapentin is metabolized through both the liver and kidneys in dogs, so it can potentially put stress on a dog’s liver, especially if liver function is already compromised. It is not necessarily “hard” on the liver, but caution is advised in dogs with liver disease. Most dogs are prescribed gabapentin to manage chronic pain associated with arthritis and cancer as well as neural and post-operative pain. It’s often prescribed alongside NSAIDs or opiates. It’s thought to amplify their effect on pain management despite potential side effects. Lastly, because gabapentin also undergoes some liver metabolism, it should be used with caution in dogs with liver disease. Which Is the More Effective Analgesic in Dogs—Gabapentin or Tramadol? Q: What Medications Should Be Used in Dogs With Elevated Liver Enzymes and Chronic Kidney Disease? Elevated Liver Enzymes. It has been shown that, in the absence of liver dysfunction, elevated liver enzymes—serum alkaline phosphatase (ALP) and/or alanine aminotransferase (ALT)—are not necessarily a contraindication to the administration of Several case reports note analgesia when gabapentin was used for treatment of chronic pain. 14,15 And in a clinical study on postoperative pain in dogs undergoing mastectomy, although pain scores did not differ, dogs receiving NSAIDs plus gabapentin required fewer opioid rescue doses than dogs receiving NSAIDs alone; thus, the gabapentin did Gabapentin should start to take effect fairly quickly, and relief should be noticed within one to two hours of administration. It’s a short-acting drug, and the effects will be gone in 24 hours. That said, the medication may last longer in dogs with kidney or liver impairment. The question of whether gabapentin is harmful to a dog’s liver is a valid concern for pet owners, especially when considering long-term medication. In short, while gabapentin is not known to directly cause liver damage in most cases, the situation isn’t entirely black and white. However, the effects may persist longer in dogs with liver and kidney disease. Therefore, Gabapentin should be used with caution in dogs with: Liver and kidney problems ; Young puppies ; Pregnant and lactating female dogs; On the other hand, Gabapentin should not be used at all in dogs: Allergic to the active ingredient ; Receiving meds with Gabapentin is metabolized by the kidneys, so it is a safer choice for dogs who have a history of liver disease, though there are other, more effective medications that don’t affect the liver. In dogs with underlying kidney disease opens in a new tab , lower dosing or less frequent dosing may be recommended. Gabapentin is a unique anticonvulsant that is used as adjunctive therapy in management of epilepsy and for neuropathic pain syndromes. Therapy with gabapentin is not associated with serum aminotransferase elevations, but several cases of clinically apparent liver injury from gabapentin have been reported. Dogs with known allergies to gabapentin should absolutely not take it. Additionally, caution is strongly advised in dogs with pre-existing kidney or liver disease, as these conditions can impair the body’s ability to process the drug, potentially leading to toxicity. For instance, a smaller dog may exhibit more pronounced symptoms than a larger dog given the same dose, while a dog with liver or kidney disease might experience prolonged effects. It is worth noting that gabapentin is commonly prescribed “off-label” in veterinary medicine. The short answer is: While rare, gabapentin can potentially contribute to liver injury in dogs, though it’s not a common side effect. The relationship is complex and often involves multiple factors rather than being a direct cause-and-effect scenario.
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