Side Effects of Clavamox in Dogs

Clavamox is a popular antibiotic that is commonly prescribed to dogs to treat a variety of bacterial infections. It is a combination of amoxicillin and clavulanic acid, which helps to increase the effectiveness of the medication by preventing the bacteria from becoming resistant to the antibiotic. While Clavamox is generally safe for use in dogs, it can cause some side effects. In this blog post, we will discuss the potential side effects of Clavamox in dogs, based on research and studies.

Gastrointestinal Side Effects

One of the most common side effects of Clavamox in dogs is gastrointestinal upset. This can include diarrhea, vomiting, and loss of appetite. These side effects are usually mild and will resolve on their own within a few days. However, if your dog is experiencing severe or prolonged gastrointestinal symptoms, it is important to contact your veterinarian.

Allergic Reactions

Another potential side effect of Clavamox is an allergic reaction. Some dogs may experience hives, itching, or swollen face or paws. In rare cases, a dog may experience an anaphylactic reaction, which can be life-threatening. If you notice any signs of an allergic reaction in your dog, it is important to seek immediate veterinary care.

Liver and Kidney Toxicity

Clavamox can also cause liver and kidney toxicity in some dogs. This can occur as a result of the medication’s accumulation in these organs, leading to damage. Symptoms of liver and kidney toxicity can include loss of appetite, vomiting, diarrhea, and jaundice. If your dog is experiencing any of these symptoms, it is important to contact your veterinarian immediately.

Hematologic Side Effects

Clavamox can also cause hematologic side effects in some dogs. This includes changes in the blood, such as a decrease in white blood cells, which can make your dog more susceptible to infections. In rare cases, Clavamox can also cause anemia, which is a condition in which there are not enough red blood cells in the body.


Clavamox is a safe and effective antibiotic that is commonly prescribed to dogs to treat a variety of bacterial infections. However, like all medications, it can cause some side effects. The most common side effects include gastrointestinal upset, allergic reactions, and liver and kidney toxicity. It is important to monitor your dog for any signs of side effects and to contact your veterinarian if you notice anything unusual. If you have any concerns about your dog taking Clavamox, it is best to speak with your veterinarian to determine if this medication is right for your pet.


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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