Gabapentin Dosing Chart for Dogs

The recommended dosage of gabapentin for dogs is variable and can be determined by your veterinarian based on the weight of your dog and health conditions.

Gabapentin for dogs dosage by weight (10lb, 20lb, 30lb, 40lb, 50lb, 60lb, 70lb, 80lb, 90lb)
  • For seizures, the dosage of gabapentin for dogs ranges from 4 to 13 mg per pound of body weight, given every 8 or 12 hours.
  • For chronic pain, nerve pain, or cancer pain, the typical dosage of gabapentin for dogs is 4.5 mg to 9 mg per pound of body weight, given two or three times a day.

Gabapentin dosage for dogs chart

Dog’s weight (lbs) Gabapentin dosage (capsule)
Up to 10 pounds 1/2 capsule of 100 mg
21 to 30 lbs 1 capsule of 100 mg
31 to 40 lbs 1 capsule of 100 mg
41 to 50 lbs 1 and 1/2 capsules of 100 mg
51 to 60 lbs 2 capsules of 100 mg
61 to 70 lbs 1 capsule of 300 mg
71 to 90 lbs 1 capsule of 300 mg

Remember that even though a certain amount may be safe for one dog, it may not be for another. Different dogs will have different reactions and tolerances to the medication, so keep an eye on your pet and make any necessary adjustments to the dosage based on their individual needs.

Gabapentin for dogs reviews


Gabapentin is a prescription medication commonly used to treat various conditions in dogs, including chronic pain, anxiety, and seizures. It works by altering the transmission of pain signals in the brain and modulating the release of certain neurotransmitters.


Gabapentin is generally well-tolerated by dogs and can be highly effective in managing pain and reducing anxiety symptoms. It is also relatively affordable compared to other prescription medications.


Some dogs may experience side effects such as drowsiness, loss of coordination, or vomiting. In rare cases, it may also interact with other medications your dog is taking and cause adverse reactions.

Side effects:

The most common side effects of Gabapentin in dogs include drowsiness, loss of coordination, and vomiting. In rare cases, dogs may experience more severe side effects such as rapid breathing, depression, and changes in behavior.


Gabapentin is considered safe for use in dogs when used as directed. Overdosing can lead to toxicity, so carefully follow your veterinarian’s instructions for dosing and monitor your dog for any adverse reactions.

Drug interactions:

Gabapentin can interact with other medications, including opioids, sedatives, and anti-anxiety medications. Inform your veterinarian of all medications your dog is taking to prevent any potential interactions.


Gabapentin should not be used in dogs with a known allergy to the medication or in dogs with certain medical conditions such as kidney or liver disease. It is also not recommended for use during pregnancy or while nursing.

Research and study:

There has been limited research on the use of Gabapentin in dogs, but what has been done suggests that it is effective in managing pain and reducing anxiety symptoms. Further studies are needed to better understand the potential benefits and risks of using this medication in dogs.


Other medications that may be used to treat pain and anxiety in dogs include tramadol, amantadine, and various types of behavioral therapy. Your veterinarian will be able to recommend the best course of treatment for your dog based on their individual needs and medical history.

How long does gabapentin last in dogs?

The answer to how long gabapentin lasts in dogs is a bit of a moving target. It depends on a number of factors, including your dog’s weight, the dose they receive, and the condition being treated. On average, gabapentin lasts about 4-6 hours in dogs. However, it can last longer in some dogs, particularly those who receive larger doses.

One of the keys to getting the most out of gabapentin is to give it at the right time. The best time to give it is usually 30 minutes to an hour before any activity that may cause pain or anxiety, such as a long walk or car ride. This allows the drug to take effect and helps keep your pup comfortable throughout the day.

Another important factor to consider is the type of gabapentin you’re giving your dog. Some formulations are designed to release the medication over time, which can help it last longer in the body. This is often referred to as a “sustained release” or “extended-release” form of gabapentin.

Remember that gabapentin is not a cure-all for your dog’s pain or anxiety. It may help relieve symptoms in the short term, but it won’t fix the underlying problem. That’s why it’s important to work with your veterinarian to develop a comprehensive treatment plan that includes gabapentin as well as other medications, therapies, and lifestyle changes.

What are the side effects of gabapentin for dogs?

We will discuss the most common side effects of gabapentin for dogs and how to manage them.

1. Drowsiness and lethargy

One of the most common side effects of gabapentin for dogs is drowsiness and lethargy. This is because gabapentin affects the central nervous system and can cause your dog to feel sleepy and less active than usual. If your dog seems to be excessively tired or less energetic, you should speak to your vet about reducing the dose or changing the medication.

2. Loss of coordination

Gabapentin can also cause dogs to experience a loss of coordination, which can manifest as stumbling or falling over. This is because gabapentin affects the nerve signals in the brain that control movement. If your dog is having trouble walking or standing up, it’s important to speak to your vet immediately.

3. Increased appetite

Gabapentin can also increase your dog’s appetite, which can lead to weight gain if not properly managed. If you notice that your dog is eating more than usual, try to provide healthier treats and limit their portion sizes.

4. Diarrhea and vomiting

Gabapentin can also cause digestive issues such as diarrhea and vomiting. If your dog is experiencing these symptoms, it’s important to speak to your vet as soon as possible. They may recommend adjusting the dose or switching to a different medication.

5. Agitation and anxiety

In some cases, gabapentin can cause dogs to become more agitated and anxious. This is because it can affect the balance of chemicals in the brain that regulate mood. If you notice that your dog is showing signs of anxiety or agitation, speak to your vet about reducing the dose or changing the medication.

How long does it take gabapentin to kick in for dogs?

It depends on the reason for using gabapentin. If it’s for pain relief, you can expect to see some improvement within a few hours to a day. However, if it’s for seizure control, it may take several days to a week for the full effect to be seen.

The dose of gabapentin also plays a role in how quickly it takes to kick in. A higher dose will have a quicker onset, but start with a lower dose and gradually increase to minimize any side effects.

Lastly, individual differences in metabolism can affect how quickly gabapentin takes effect in your dog. Some dogs may respond quickly, while others may take longer to show improvement.

Does gabapentin relax a dog?

When it comes to relaxation, gabapentin can help ease anxiety and reduce any tension that may be causing discomfort for your pup. It’s often used in combination with other medications to provide a more comprehensive approach to managing chronic pain and anxiety.

But, note that gabapentin is not a sedative or a tranquilizer. It doesn’t necessarily make a dog drowsy or knock them out. Rather, it helps to reduce the level of stress and anxiety they may be feeling, allowing them to feel more relaxed.

Additionally, it’s essential to have your pet examined by a veterinarian before starting any medication. Gabapentin can have side effects and interact with other medications, so it’s crucial to get professional guidance to ensure the safety of your pet.

My dog can’t walk after taking gabapentin?

Gabapentin is commonly used for pain management in dogs, but it can cause some side effects like loss of coordination and difficulty walking. Consult with your vet if you notice any changes in your dog’s behavior after starting a new medication.

In the meantime, it might be a good idea to limit your dog’s activity and keep them in a safe and secure environment. If the issue persists or gets worse, definitely give your vet a call. They may need to adjust the dosage or switch to a different medication.

It’s always heartbreaking to see our furry friends struggling, but with the right care and treatment, they should be back on their paws in no time. Hang in there!

Is there an alternative to gabapentin for dogs?

Glucosamine and chondroitin

These supplements are often used to support joint health in dogs. They may help to reduce inflammation and improve mobility in dogs with arthritis or other joint conditions.

Hemp oil

Hemp oil contains CBD, a compound known for its potential pain-relieving and anti-inflammatory effects. It can be used as a natural alternative to manage pain and inflammation in dogs.


Turmeric is a spice commonly used in traditional medicine to manage inflammation and pain. It contains a compound called curcumin, which has been shown to have anti-inflammatory and antioxidant effects.


Arnica is a plant commonly used in homeopathic medicine to reduce inflammation and pain. It can be used topically or taken orally in the form of a supplement.

Devil’s Claw

Devil’s Claw is a plant native to southern Africa that is commonly used to manage pain and inflammation. It can be taken orally in the form of a supplement or used topically as a cream or oil.


Bromelain is an enzyme found in pineapples that has been shown to have anti-inflammatory effects. It can be taken orally in the form of a supplement or used topically as a cream or oil.

Massage therapy

Massage therapy can help to reduce muscle tension and improve circulation, which may help to manage pain and inflammation in dogs.

Tramadol vs gabapentin for dogs

Tramadol and gabapentin are both commonly prescribed for dogs, but it’s important to know the differences between the two.

First off, let’s talk about Tramadol. It’s a pain reliever that works by changing the way the brain and nervous system respond to pain. It’s often used for moderate to severe pain, such as after a surgery or injury. Tramadol can also be used to treat arthritis and chronic pain.

On the other hand, gabapentin is a nerve pain medication that works by calming overactive nerves. It’s often used for neuropathic pain, which is pain caused by damaged nerves. Gabapentin can also be used to treat seizures and anxiety in dogs.

So, how do you know which one is right for your dog? Well, it really depends on the type of pain your dog is experiencing. If your dog is experiencing moderate to severe pain, Tramadol might be the way to go. But if your dog is dealing with nerve pain, gabapentin is the better option.

Remember that both Tramadol and gabapentin can have side effects, so it’s best to talk to your vet about what’s best for your pet. Your vet may also recommend a combination of the two for maximum pain relief.

In conclusion, it’s a case-by-case situation when it comes to choosing between Tramadol and gabapentin for dogs. But by understanding the differences and working with your vet, you can find the best solution for your furry friend’s pain management.

FAQs about gabapentin for dogs

Here’s a comprehensive guide to answer some of the most commonly asked questions about gabapentin dose for dogs.

What is gabapentin, and how does it work?

Gabapentin is a medication that’s commonly used to treat chronic pain and seizures in both humans and animals. It works by reducing the activity of nerve cells in the brain and spinal cord, which can help alleviate pain and prevent seizures.

Why might a veterinarian prescribe gabapentin for my dog?

There are a few different reasons why a vet might prescribe gabapentin for your dog. One of the most common reasons is to manage chronic pain, such as pain caused by arthritis or nerve damage. Gabapentin can also be used to prevent seizures in dogs with epilepsy.

What is the recommended gabapentin dosage for dogs?

The recommended gabapentin dosage for dogs varies depending on the dog’s weight and the medical condition being treated. As a general rule, the dosage ranges from 5 to 30 mg/kg, given every 8 to 12 hours. Your vet will provide you with a specific gabapentin dosage chart tailored to your dog’s needs.

How should I give gabapentin to my dog?

Gabapentin is typically administered orally, in the form of a capsule or tablet. It’s important to follow your veterinarian’s instructions when giving gabapentin to your dog, as the dosage and frequency may vary depending on their specific needs. Be sure to give the medication with food to help prevent stomach upset.

What are the potential side effects of gabapentin in dogs?

Like any medication, gabapentin can cause side effects in some dogs. The most commonly reported side effects include drowsiness, loss of coordination, and gastrointestinal upset. More serious side effects, such as liver or kidney damage, are rare but can occur in some dogs. If you notice any concerning side effects, be sure to contact your veterinarian right away.

Are there any drug interactions I should be aware of when giving my dog gabapentin?

Yes, there are a few different drugs that can interact with gabapentin and potentially cause adverse effects. Be sure to let your veterinarian know about any other medications or supplements your dog is taking before starting them on gabapentin.

Can my dog overdose on gabapentin?

It’s possible for dogs to overdose on gabapentin, so it’s important to follow your veterinarian’s dosage instructions carefully. If you suspect that your dog has ingested too much gabapentin, contact your veterinarian right away.

How long does it take for gabapentin to start working on dogs?

Gabapentin typically takes about 1-2 hours to start working in dogs, with maximum effect achieved within 4-6 hours. However, the exact timeline may vary depending on your dog’s individual response to the medication.

Can gabapentin be used long-term in dogs?

Yes, gabapentin can be used long-term in dogs, particularly for chronic pain management. However, it’s important to monitor your dog’s health regularly and let your veterinarian know if you notice any changes in their condition.

Can gabapentin be used in conjunction with other pain medications?

Yes, gabapentin can be used in conjunction with other pain medications, particularly for dogs with severe or chronic pain. However, it’s important to let your veterinarian know about any other medications your dog is taking to prevent potential interactions.

How should I store gabapentin for my dog?

Gabapentin should be stored at room temperature, away from moisture and heat. It’s important to keep the medication out of reach of children and pets to prevent accidental ingestion.

What should I do if I miss a dose of gabapentin for my dog?

If you miss a dose of gabapentin for your dog, it’s important to give the medication as soon as possible. However, if it’s close to the time for the next dose, skip the missed dose and resume the regular dosing schedule. Do not give your dog extra medication to make up for the missed dose.

Can gabapentin cause addiction or dependence in dogs?

Gabapentin is not considered to be addictive or habit-forming in dogs, but abrupt cessation of the medication can cause withdrawal symptoms. It’s important to gradually taper the dosage of gabapentin if your dog needs to stop taking the medication.

Are there any breed-specific dosing considerations for gabapentin?

While there are no specific breed-specific dosing recommendations for gabapentin, it’s important to consider your dog’s overall health and medical history when determining the appropriate dosage. For example, dogs with liver or kidney disease may require lower dosages of gabapentin.

How long does it take for gabapentin to be eliminated from a dog’s system?

Gabapentin is eliminated from a dog’s system within 24-48 hours after the last dose. However, the exact elimination timeline may vary depending on your dog’s individual metabolism and overall health.

Gabapentin in Dogs - Safety and Side Effects - Dog Health Vet Advice

Hannah Elizabeth is an English animal behavior author, having written for several online publications. With a degree in Animal Behaviour and over a decade of practical animal husbandry experience, Hannah's articles cover everything from pet care to wildlife conservation. When she isn't creating content for blog posts, Hannah enjoys long walks with her Rottweiler cross Senna, reading fantasy novels and breeding aquarium shrimp.

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