Clavamox for Cats and Dogs

What Is Clavamox for Cats and Dogs Used For?

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When your beloved cat or dog develops an infection, it can be stressful and worrying. According to the American Veterinary Medical Association (AVMA), infections are among the most common reasons pets are taken to the veterinarian, with skin, urinary tract, and respiratory infections frequently reported. Left untreated, bacterial infections can spread, become painful, and even be life-threatening.

Fortunately, modern veterinary medicine provides safe and effective options to fight bacterial infections, and one of the most widely prescribed treatments is Clavamox for cats and dogs. This antibiotic is trusted by veterinarians worldwide for its ability to manage infections and support your pet’s recovery. Whether you are a cat owner dealing with a stubborn urinary tract infection or a dog owner facing a wound infection, Clavamox has become a cornerstone medication that helps restore your pet’s health quickly and safely.

What is Clavamox?

Clavamox is a widely used broad-spectrum antibiotic in veterinary medicine, meaning it can treat a wide range of bacterial infections. It combines two active ingredients, amoxicillin and clavulanic acid, to provide stronger protection against bacteria than amoxicillin alone.

  • Amoxicillin works by interfering with the bacteria’s ability to build cell walls, which causes the bacteria to break apart and die.
  • Clavulanic acid prevents certain bacteria from producing enzymes (called beta-lactamases) that can make them resistant to antibiotics. By blocking this resistance, clavulanic acid allows amoxicillin to remain effective.

This dual-action approach makes Clavamox especially powerful for treating infections in pets. For example, while some bacteria might survive a single antibiotic like amoxicillin, the addition of clavulanic acid ensures those “harder-to-kill” bacteria are also targeted.

Veterinarians often prescribe Clavamox for both cats and dogs because it is:

  • Broadly effective against common pet infections.
  • Well-tolerated by most animals when used as directed.
  • Proven in veterinary care, with years of successful use in clinics and at home.

Key Features of Clavamox

  • Type of Medication: Broad-spectrum antibiotic
  • Active Ingredients: Amoxicillin + Clavulanic acid
  • Forms Available: Chewable tablets and oral liquid suspension
  • Common Uses: Skin infections, urinary tract infections, gum infections, wounds, and respiratory infections
  • Prescription Only: Requires a veterinarian’s approval for safe use

Clavamox for Cats

Clavamox for cats is commonly prescribed for respiratory infections, urinary tract infections, abscesses from bites, and gum disease. Cats are known for hiding signs of illness, which can delay treatment. For example, a cat with a urinary tract infection may simply urinate outside the litter box or avoid the box altogether, making it seem like a behavioral problem rather than a medical one.

Common Infections in Cats Treated with Clavamox

  • Respiratory infections – sneezing, nasal discharge, or coughing caused by bacteria
  • Urinary tract infections (UTIs) – frequent urination, straining, or blood in the urine
  • Abscesses and wounds – often from cat fights or scratches
  • Skin infections – redness, swelling, or pus-filled lesions
  • Oral infections – gum disease or tooth-related infections

Prompt treatment with Clavamox can prevent infections from spreading and reduce discomfort for cats. Because the medication only needs to be given twice daily, many cat owners find it easier to administer compared to other antibiotics.

Clavamox for Dogs

Dogs are often exposed to bacteria through outdoor activity, play, and interactions with other pets. Clavamox for dogs is frequently prescribed for wound infections, urinary tract infections, and gum infections. For example, a dog that spends time at the park could sustain a small cut that later becomes infected, requiring antibiotic treatment.

Common Infections in Dogs Treated with Clavamox

  • Skin and wound infections – cuts, scrapes, or post-surgical wounds
  • Urinary tract infections – frequent urination or accidents indoors
  • Gum and dental infections – swollen gums, drooling, or bad breath
  • Respiratory infections – coughing, nasal discharge, or fever

Dogs usually tolerate Clavamox well, and chewable tablets are often flavored, making them easier to administer.

Clavamox Dosage for Your Pets

The Clavamox dosage for cats and dogs depends on the pet’s weight and the type of infection.

Clavamox Dosage for Cats

  • Typically given twice daily (every 12 hours)
  • Available in chewable tablets or liquid suspension
  • Veterinarians calculate the dosage based on weight (mg/kg)

Clavamox Dosage for Dogs

  • Also prescribed twice daily
  • Often given in flavored chewable tablets for easy use
  • Dosage depends on infection severity and body weight

Tips for Giving Clavamox

  • Use a pill pocket or mix tablets with food to encourage swallowing
  • If using the liquid form, refrigerate it and shake well before dosing
  • Complete the entire course, even if your pet seems better
  • Never adjust the dose without veterinary advice

Clavamox Side Effects

While most pets tolerate Clavamox, some may experience mild reactions.

Possible Side Effects

  • Vomiting or nausea
  • Diarrhea or soft stools
  • Loss of appetite
  • Rare but serious allergic reactions (facial swelling, hives, difficulty breathing)

If you notice severe reactions, contact your veterinarian immediately.

Safety Tips for Giving Clavamox to Pets

To ensure Clavamox is both safe and effective, pet owners should follow these precautions:

  • Do not skip doses – Consistency is key to stopping bacterial growth
  • Give the full course – Stopping too early may cause recurrence or resistance
  • Store properly – Refrigerate liquid suspension and keep tablets in a cool, dry place
  • Avoid leftover use – Never use leftover antibiotics without a vet’s approval
  • Monitor your pet – Watch for changes in appetite, energy, or bathroom habits

Clavamox Cost and Accessibility

The cost of Clavamox depends on your pet’s size, dosage, and treatment length. 

Clavamox is prescription-only, meaning a veterinarian must first evaluate your pet. Once prescribed, you can purchase it at:

Currently, there is no Clavamox generic, but some pet insurance plans cover it. Discount programs and coupons may also help reduce costs.

Alternatives to Clavamox

While Clavamox is highly effective, some pets may need alternatives due to allergies or specific infections. Other antibiotics veterinarians may prescribe include:

  • Cephalexin – commonly used for skin infections
  • Doxycycline – used for tick-borne infections and respiratory illness
  • Metronidazole – often used for gastrointestinal infections

Your veterinarian will decide the best option depending on the type of bacteria and your pet’s health.

Why Veterinarians Trust Clavamox

Veterinarians often rely on Clavamox as a first-line treatment for bacterial infections in pets because of its proven effectiveness and safety profile. Unlike some antibiotics that are limited in scope, Clavamox provides broad coverage while also addressing the growing problem of antibiotic resistance.

Here are the main reasons why vets consistently choose Clavamox:

Works against resistant bacteria

Many bacteria have developed defense mechanisms that render standard antibiotics less effective. The clavulanic acid in Clavamox disables these bacterial defenses, allowing amoxicillin to work more powerfully. This makes Clavamox particularly useful for stubborn or recurring infections.

Comes in easy-to-administer forms

Clavamox is available in chewable tablets and oral liquid suspension, which makes giving medication to pets less stressful for owners. The convenience of multiple forms increases compliance, ensuring pets get the full course of treatment for the best results.

Has a strong safety record with both cats and dogs

With decades of clinical use and extensive veterinary experience, Clavamox has established itself as a safe option for most pets when used as directed. Side effects are generally mild and uncommon, making it a trusted choice for long-term use in veterinary care.

For pet parents, both safe treatment and convenience matter when managing infections. You can find trusted veterinary prescription options, including Clavamox for your pets, through services that focus on affordability and reliable care. 

Visit our Clavamox Product Page to check availability, explore cost-saving opportunities, and place your order with confidence to keep your pets healthy and protected.

Conclusion

Clavamox for cats and dogs is a trusted, veterinarian-prescribed antibiotic that helps treat a wide range of bacterial infections. By combining amoxicillin and clavulanic acid, it provides stronger protection against resistant bacteria than standard antibiotics alone. With proper use, dosing, and monitoring, Clavamox can help your pet recover faster and live a healthier, more comfortable life.

Frequently Asked Questions (FAQs)

Can Clavamox be given with food?

Yes, Clavamox can be given with or without food. However, giving it with food may reduce stomach upset. Follow your vet’s advice for the best results.

How quickly does Clavamox start working?

Clavamox usually begins working within hours of the first dose, but visible improvement often takes 1–2 days. Pets may become more energetic and show reduced symptoms. It’s still essential to complete the full treatment.

Where to buy Clavamox?

Clavamox is a prescription antibiotic, so it can only be purchased with approval from a licensed veterinarian. You can obtain it directly from your vet’s clinic, through trusted veterinary pharmacies, or reputable online pet medication suppliers. Always make sure you’re buying from a legitimate source to ensure product safety and authenticity.

Can Clavamox treat viral infections? 

No, Clavamox only treats bacterial infections. Viral illnesses such as feline calicivirus or canine parvovirus require different treatments. Your vet will determine the underlying cause before prescribing antibiotics.

Is Clavamox an antibiotic?

The answer is yes. Clavamox works by combining amoxicillin, which attacks bacterial cell walls, with clavulanic acid, which blocks the enzymes that bacteria produce to resist antibiotics. This “one-two punch” ensures that Clavamox remains effective against bacteria that might otherwise survive. It is especially helpful in infections where resistance is a concern, making it a valuable option in modern veterinary care. 

Medically Reviewed

Profile image of Lalaine Cheng

Medically Reviewed By Lalaine ChengA dedicated medical practitioner with a Master’s degree in Public Health, specializing in epidemiology with a profound focus on overall wellness and health, brings a unique blend of clinical expertise and research acumen to the forefront of healthcare. As a researcher deeply involved in clinical trials, I ensure that every new medication or product satisfies the highest safety standards, giving you peace of mind, individuals and healthcare providers alike. Currently pursuing a Ph.D. in Biology, my commitment to advancing medical science and improving patient outcomes is unwavering.

Profile image of Lalaine Cheng

Written by Lalaine ChengA dedicated medical practitioner with a Master’s degree in Public Health, specializing in epidemiology with a profound focus on overall wellness and health, brings a unique blend of clinical expertise and research acumen to the forefront of healthcare. As a researcher deeply involved in clinical trials, I ensure that every new medication or product satisfies the highest safety standards, giving you peace of mind, individuals and healthcare providers alike. Currently pursuing a Ph.D. in Biology, my commitment to advancing medical science and improving patient outcomes is unwavering. on September 16, 2025

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