Amoxicillin for Dogs: Safety, Usage, Dosage and More!

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By: Lezanne Winshaw Updated: September 10, 2020

Amoxicillin for Dogs

What is Amoxicillin for dogs? Does it work in the same way as amoxicillin for humans? How do you administer it? What kind of disease or infections can amoxicillin treat? Read on for the answers to all these questions and more!

What is Amoxicillin?

Amoxicillin for dogs is a broad-spectrum antibiotic. It is used in the treatment of bacterial infections. Broad-spectrum means that the antibiotic can target both Gram-positive and Gram-negative bacteria.

Amoxicillin is a semi-synthetic penicillin. It usually takes the form of amoxicillin trihydrate in medications. It is part of the penicillin family of antibiotics. Also in this drug family are ampicillin, nafcillin, and penicillin.

Amoxicillin works by disrupting the formation of bacterial cell walls. Therefore, it can kill both existing bacteria and prevent the growth or formation of new bacteria. Amoxicillin is not effective against viral or parasitic infections.

Is Amoxicillin Safe for Dogs?

Yes, given in the correct doses, Amoxicillin is safe for your dog’s health. Always consult a veterinarian before administering any kind of medicine to your pet!

Human amoxicillin is not the same as veterinarian amoxicillin. Amoxicillin for humans might contain ingredients that are unsafe for dogs. Ingredients toxic to dogs include artificial flavorings, colors, preservatives, and xylitol. The dosing for humans and animals is also different.

You’ll Need a Vet Prescription for Amoxicillin for Dogs! 

Your vet will be best able to advise whether your pooch should take amoxicillin or not. They can guide you on the dosage as well as the length of time that the medication should be given for.

Luckily, you can order pet medicine online from Chewy. With your vet prescription in hand, you can order Amoxicillin capsules for dogs and cats from the comfort of your own home!

Amoxicillin (Generic) Capsules for Dogs & Cats
Amoxicillin is a broad-spectrum antibiotic prescribed by veterinarians to treat various infections in dogs and cats. It inhibits the growth of bacteria by preventing the cell wall formation of the bacterial cells. Amoxicillin should only be used to treat bacterial infections and not viral or parasitic infections. It has also been known to treat wounds, skin infections, tooth abscesses, infections of the lower respiratory tract and many others. Plus, it comes in a capsule form, so you can disguise it in a pill pocket. Customers may receive this drug under the names Amoxi-Tabs, Amoxi-Drops, Robamox.
Rated 4.00/5.00 by Certapet
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Is Amoxicillin Penicillin?

Amoxicillin is part of the same family as penicillin. Both medicines are made from the Penicillium fungus. They are not the same though. Amoxicillin is a stronger version of penicillin. It has a wider spectrum of antimicrobial activity. Amoxicillin is also more resistant to stomach acids. This allows for better and more accurate absorption from a specific dose.

Amoxicillin vs Penicillin: What’s the Difference?

Amoxicillin and penicillin are both parts of the penicillin family of drugs but they are slightly different. However, for the most part, they are used to treat similar kinds of infections.

Amoxicillin for Dog

Amoxicillin Uses: Which Pups Need These Antibiotics for Dogs

As much as we try and keep our furry friends in tip-top condition, sometimes bad things happen. They get sick too. Fortunately, we have some great medications that we can turn to to help treat our beloved pets when illness strikes!

Amoxicillin treats infections caused by bacteria. It can treat ear infections (otitis media), bladder infections, and urinary tract infections (UTIs). It is also effective against skin infections, dental infections, and upper respiratory tract infections.

Amoxicillin Interactions: Which Doggos Should Not Take These Meds

  • Dogs that are allergic to other penicillin-related drugs should not take these medications. Animals with a known penicillin-allergy should also not take amoxicillin.
  • If your pet has shown a sensitivity to cephalosporins (such as cephalexin), it is best to avoid amoxicillin medications. Amoxicillin can interact with probenecid and allopurinol (both used to treat gout and/or kidney stones).
  • It can also interact with other antimicrobial drugs such as erythromycin, chloramphenicol, sulfonamides, tetracyclines, and macrolides.
  • Animals that have a history of allergy or asthma might not be able to take amoxicillin.
  • There are no known food interactions with amoxicillin. Also, amoxicillin is not sensitive to gastric juices. It can, therefore, be given with or without food.

Amoxicillin Dosage for Dogs

Firstly, the dosage of amoxicillin in cats and dogs is usually calculated at 5-10 mg per pound of body weight every 12 – 24 hours. For example, a 55-pound pooch will receive approximately 500 mg amoxicillin once a day.

Administer oral amoxicillin by wrapping the tablet or capsule up in a nice doggie treat. Luckily, products like pill pockets make giving your doggo their treats is super easy!

Vetoquinol Pill Wrap for Dogs & Cats
Pill Wrap is a moist, juicy, flavorful and shapeable paste that makes giving your furry family medicine a breeze. Pill Wrap is perfect for wrapping around any tablet, capsule or wafer. It's made with only food grade ingredients and loaded with flavor!
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Antibiotic resistance is an ever-increasing problem in both veterinary medicine and human health care. Be sure to complete the whole course of dog antibiotics. This is to avoid the risk of your hound’s infection becoming drug resistant. If the bacteria become antibiotic-resistant, they can spread their infection to other parts of the body and cause much damage.

Amoxicillin for Dogs dosage

Amoxicillin 250mg

Amoxicillin 250 mg is available in capsule form. This dosage is suitable for dogs weighing between 25 and 50 pounds.

Even if your pet’s condition is improving, give all the prescribed amoxicillin.

Amoxicillin 500mg

Amoxicillin 500 mg is for larger animals. It is also available in capsule form. It is suitable for dogs weighing between 50 and 100 pounds.

Amoxicillin 875mg

For larger dogs, amoxicillin 875 mg might be prescribed. This dosage is suitable for dogs with a weight of 85 pounds or more.

Amoxicillin Liquid?

For smaller dogs and cats, an amoxicillin suspension can be prescribed. This liquid form is easier to dose in smaller quantities. Store the drops in a refrigerator. Throw away what’s left over after the course is complete.

Potential Amoxicillin Side Effects to Look Out For

The most common adverse reaction of amoxicillin is gastrointestinal tract upsets like abdominal pain, vomiting, and diarrhea.

Allergic reactions to amoxicillin present as shortness of breath, swelling of the tongue and/or lips, hives, rash, or fainting.

It inhibits the formation of bacterial cell walls. This means that it can kill both ‘bad’ and ‘good’ bacteria. The ‘good’ bacteria that live in your doggo’s gastrointestinal tract (GIT) are important for their health and optimal digestion. Ask your vet about a pro-biotic to re-establish a healthy gut flora after your pet has been on a course of prescribed antibiotics.

Amoxicillin dosage for Dogs

Important Signs of an Amoxicillin Overdose

Symptoms of an amoxicillin overdose may include seizures, confusion, muscle spasms, pain or twitching, weakness, agitation, and/or coma. Notify your veterinarian immediately if you notice any of these symptoms.

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