This is a guide to aspirin for dogs.

Can Dogs Have Aspirin?

Posted by Max Martinson on

This is a guide to aspirin for dogs.

If your dog is in pain, is it okay to give them an aspirin or two?

While veterinarians may prescribe aspirin for dogs in certain situations—like pain relief or inflammation—there are important considerations pet parents should make before reaching into their medicine cabinet and administering aspirin to their canine companions.

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Most importantly, your dog shouldn't consume human medications. Human drugs are overwhelmingly unsafe for pets for a number of serious reasons.

Cute puppy next to aspirin

Can You Give Dogs Aspirin?

The only human aspirin sometimes recommended by veterinarians for dogs is baby aspirin, due to its low dosage. Still, even low dose aspirin is typically an enteric-coated aspirin, which dogs aren't able to easily digest. These coatings can also restrict proper absorption which may lead the pill to pass through the system undissolved.

Plus, aspirin of any kind isn't FDA-approved as a veterinary medication, and there's a lack of research about safe dosages and effective use. Your vet's approval is the only thing that should prompt you to use aspirin for your dog's pain, even if you're considering baby aspirin.

Aspirin's key compound, Acetylsalicylic acid, is considered safe for dogs in weight-appropriate dosages. Acetylsalicylic acid is considered an NSAID (nonsteroidal anti-inflammatory drug) that can be prescribed as a medication to support your dog's pain, osteoarthritis, clotting disorders, or musculoskeletal inflammation.

This doesn't mean that it's always safe, though.

Improper use of any aspirin for dogs can lead to serious health issues. Factors such as your dog’s age, weight, health conditions, and any other medications they may be taking all play a critical role in how aspirin affects your dog.

If you're looking for a short answer, there are two primary using aspirin for your dog's pain.

  1. The aspirin in your pantry might be too strong for dogs. High doses of aspirin can cause a number of issues with the most significant being damage to major organs.

  2. Aspirin often has a coating that dogs can't digest, most commonly enteric. This can cause a strain on their digestive system and internal organs, as enteric-coated aspirin can build up in their system.

Can I Give My Puppy Aspirin for Pain?

This is highly unadvised because the high mg of Acetylsalicylic acid in most aspirin tablets could cause aspirin poisoning in your puppy.

Talk to your veterinarian before giving your puppy any over-the-counter pain relief medicine. They may recommend aspirin, or they may warn you against it. Pain medication comes in many forms and many strengths, so it's important to speak with a veterinarian.

Dog near aspirin, starting section on what to do if your dog eats aspirin.

My Dog Ate Aspirin: Now What?

If your dog got into some aspirin, or you gave them some to address their pain, you may need to go to the veterinarian quickly.

How Much Aspirin Can Dogs Consume?

If your dog eats less than 22 milligrams of aspirin for each pound they weigh, they might have some mild problems like vomiting or diarrhea. But if they eat more than 45 milligrams for each pound, it could be serious, even deadly.

Your dog's size matters in this situation. Smaller dogs are more vulnerable.

What to Do If Your Dog Has Eaten Aspirin

  1. How much aspirin did they eat? Check the mg per pill on the bottle. Most aspirin tablets are either 81 mg or 325 mg.
  2. Check below to see if action is needed.

 

Dogs 20 Pounds or Less

Aspirin Dosage Toxicity Risk
1 pill (81 mg) High Risk
1/4 pill (325 mg) High Risk

Dogs 20 to 50 Pounds

Aspirin Dose Toxicity Risk
2 pills (81 mg) Moderate Risk
1/2 pill (325 mg) Moderate Risk

Dogs 50 to 100 Pounds

Aspirin Dose Toxicity Risk
3 pills (81 mg) Lower Risk, but call vet
1 pill (325 mg) Lower Risk, but call vet

Dogs 100 Pounds or More

Aspirin Dose Toxicity Risk
4+ pills (81 mg) Lower Risk, but call vet
1+ pill (325 mg) Lower Risk, but call vet

Rule of Thumb Aspirin Dosage for Dogs:

More than 22 mg/lb could cause an aspirin overdose and requires an immediate visit to the vet.

How Long Before Symptoms Arise?

Symptoms of toxicity can appear within 1 to 2 hours after ingestion.

Locate an Emergency Facility

 

Dog Aspirin vs Human Aspirin

Aspirin can be effective for dogs, but there are important differences between dog aspirin and human aspirin that pet owners should be aware of:

Key Differences

  • Dosage: Dog aspirin is formulated with specific dosages for canines, while human aspirin dosages can be too high for dogs.

  • Coatings: Human aspirin often has enteric coatings that may not dissolve properly in a dog's digestive system.

  • Ingredients: Some human aspirin contains additional ingredients, like caffeine, which can be harmful to dogs.

  • Purpose: Dog aspirin is designed specifically for canine conditions, ensuring efficacy and safety.

Always consult your veterinarian before administering any medication, including aspirin, to ensure it's safe and appropriate for your dog.

Adverse Reactions at High Doses

If your dog has an adverse reaction to Aspirin, you may notice one or more of these signs.

  • Gastrointestinal Issues

    • Symptoms: Vomiting, loose bowel movements, trouble with the digestive tract, and stomach ulcers.

    • Onset: Symptoms can occur within 1 to 2 hours after ingestion.

    • Severity: Moderate to severe, depending on the dog's overall health.

  • Liver Damage

    • Symptoms: Jaundice, lethargy, and increased thirst.

    • Onset: Symptoms may develop within 24 to 48 hours.

    • Severity: Severe; can be life-threatening.

  • Kidney Dysfunction

    • Symptoms: Increased urination, lethargy, and lack of appetite.

    • Onset: Symptoms can appear within 1 to 3 days.

    • Severity: Moderate to severe, can lead to kidney failure.

  • Central Nervous System Effects

    • Symptoms: Seizures, tremors, and disorientation.

    • Onset: Symptoms may occur within 1 to 2 hours.

    • Severity: Severe; requires immediate veterinary attention.

  • Respiratory Distress

    • Symptoms: Difficulty breathing, coughing, and panting.

    • Onset: Symptoms can appear within 1 to 3 hours.

    • Severity: Moderate to severe, could be life-threatening.

  • Internal Bleeding

    • Symptoms: Vomiting of blood, potentially with "coffee grounds" appearance.

    • Onset: Symptoms can occur within 1 to 2 hours after ingestion.

    • Severity: Moderate; can lead to dehydration if persistent.

Dog next to aspirin bottle - over the counter dog aspirin

You Can Buy Aspirin for Dogs Over The Counter

Browse online or visit your local Walmart, Target, or pet store to find aspirin that was made specifically for dogs. Always discuss this decision with your veterinarian, however, because it could interfere with other veterinary medications your dog is taking.

Aspirin Drug Interactions

There are a variety of medications for dogs that could interact negatively with aspirin. If your dog's prescribed medication is listed below, absolutely avoid aspirin as the combination could cause serious side effects.

  • Other NSAIDs: Combining aspirin with other nonsteroidal anti-inflammatory drugs (like ibuprofen or carprofen) can increase the risk of gastrointestinal bleeding and ulcers.

  • Corticosteroids: Concurrent use with corticosteroids (like prednisone) may also raise the risk of stomach ulcers and bleeding.

  • Anticoagulants: Medications that thin the blood, such as warfarin, can have increased effects when given with aspirin, raising the risk of bleeding.

  • Diuretics: Aspirin can interfere with the effectiveness of diuretics, which are often used for heart conditions.

  • Certain Antibiotics: Some antibiotics, like aminoglycosides, may have increased toxicity when used with aspirin.

Dog looking toward aspirin bottle - alternatives to aspirin for dogs.

Alternative Pain Relief Options for Dogs

When considering pain relief for dogs, especially if aspirin isn't suitable, several alternatives can be effective and safer. With any supplement or medicine, it's very important to use the correct dosage based on your dog's weight. Even safe ingredients can be harmful when you don't use the proper dosage.

Nonsteroidal Anti-Inflammatory Drug Options for Dogs
  1. Nonsteroidal Anti-Inflammatory Drug Options for Dogs:

    • Carprofen (Rimadyl): Commonly prescribed as a pain reliever for joint pain or inflammation, especially post-surgery or for arthritis.

    • Meloxicam (Metacam): Another NSAID can be effective for managing pain and inflammation.

    • Firocoxib (Previcox): Specifically designed for dogs, this medication helps relieve pain associated with osteoarthritis.

  2. Natural Supplements:

    • Glucosamine and Chondroitin: These supplements support joint health and may help reduce pain and inflammation.

    • Omega-3 Fatty Acids: Found in fish oil, they can help reduce inflammation and improve joint mobility. Many natural remedies for pain and inflammation include Omega 3s.

  3. CBD Oil:

    • Cannabidiol (CBD) has gained popularity as a natural option for pain relief. It may help reduce inflammation and anxiety, promoting overall comfort in dogs.

  4. Prescription Pain Relievers:

    • Gabapentin: Often used for nerve pain, it can be effective for chronic pain management.

    • Tramadol: A mild opioid that can help manage moderate pain.

  5. Physical Therapy

    • Physical therapy can provide tailored solutions to your canine companion and their specific type of pain.

Conclusion: Don't Give Your Dog Aspirin.

Don't give your dog aspirin without professional advice. If they consumed aspirin, or other medications designed for human use, you may need to make a visit to an emergency facility.

Under certain circumstances, vets may recommend aspirin to improve your dog's condition. However, you shouldn't use aspirin or any other new medication without your vet's advice.

When you give a dog a product intended for humans, you put them at risk of severe health complications. So, don't give a dog aspirin or any other NSAIDs designed for use in humans!

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AUTHOR

Max is the Content Director for Lolahemp. He works closely with Lolahemp's veterinarians and writers, ensuring that our articles are factual, enjoyable, and useful to pet owners. Before Lolahemp, Max contributed articles to various pet health and wellness sites around the internet after graduating from the University of Wisconsin, Eau Claire. He is also the proud owner of a mischievous grey cat named Herbie.


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