One of the most common side effects of Gabapentin in dogs is drowsiness and sedation. This can be a desirable effect in some cases, such as when the medication is being used to treat anxiety or seizures. However, it can also be a concern for pet owners who need their dog to be alert and active. Clinical Applications. Gabapentin has been used as an adjunct treatment for seizures in dogs and cats and as treatment for neuropathic pain. 4-9 Gabapentin may be effective as an adjunct treatment for acute pain in humans (eg, pain following some surgeries, including spinal surgery and hysterectomy) and, to a lesser extent, in dogs and cats. 10-16 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. Veterinarians usually recommend much lower doses of gabapentin in dogs that have liver or kidney disease. Warning! Do not use the human liquid version of gabapentin! The human liquid version of gabapentin contains xylitol. Xylitol is extremely toxic for dogs and can cause liver toxicity and even death if left untreated. Gabapentin is a commonly prescribed medication for dogs, used primarily to manage chronic pain, especially from conditions like arthritis or neuropathic pain, and to help control seizures. It can be a highly effective treatment option, but when given long-term, some pet owners wonder about the potential side effects. In this comprehensive guide, we’ll break down the long-term effects of 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. With the reported exception of dogs, gabapentin is not metabolized by the liver, and it is normally excreted in its unchanged form in urine [25,100]. This kinetic behaviour could result in specific criticisms for certain categories of subjects (e.g., geriatrics, subjects with chronic hepatic and renal disease). Side Effects of Gabapentin for Dogs. Gabapentin has a huge safety margin in dogs. It won’t hurt your dog’s kidneys or liver and is even safe to use with CBD products, although the mild sedative effect of both products may be enhanced. There are some important precautions of gabapentin for dogs, however: Gabapentin is a medication that is commonly prescribed for dogs to help manage pain, seizures, and anxiety. While it can be an effective treatment for many conditions, there are some side effects that pet owners should be aware of. 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. Gabapentin should also be used with caution in animals with kidney or liver disease, as it will take longer to metabolize. What's the Gabapentin Dosage for Dogs? The dosage range for gabapentin varies widely depending on what it’s being used to treat. 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. In dogs with kidney or liver diseases, gabapentin should be used with caution because it will take longer for them to metabolize the drug. Image Credit By: luchschenF, Shutterstock Frequently Asked Questions (FAQs) 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. In rats and humans, gabapentin is primarily cleared by the kidneys; in dogs, it is also metabolized by the liver. 20 In cats, the route of clearance is unknown but is presumed to be primarily renal. Thus, gabapentin may undergo more rapid accumulation, and thus more rapid onset of adverse effects, in cats and dogs with renal disease and dogs 9. Can gabapentin cause liver or kidney damage in dogs? Gabapentin is primarily excreted unchanged by the kidneys in dogs, so it is important to monitor kidney function in dogs receiving long-term gabapentin therapy. Liver damage is rare but can occur in some cases. 10. Are there any alternative treatments to gabapentin for dogs? Gabapentin is a contraindicated drug for dogs with hypersensitivity or allergy to the drug or any of its excipients. It should also be used with caution in dogs with liver or kidney failure or disease. Like all agents, gabapentin can interact with other medications. 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 doses Gabapentin is commonly prescribed to dogs for pain management, particularly for conditions like arthritis, neuropathic pain, or to control seizures. While it’s an effective treatment for many dogs, it’s essential to understand the potential side effects that may occur, especially with long-term use. Gabapentin (brand names: Neurontin®, Aclonium®, Equipax®, Gantin®, Gabarone®, Gralise®, Neurostil®, Progresse®) is an anti-seizure and pain medication that is used with other medications to treat seizures and chronic pain, primarily nerve pain, in dogs and cats.
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