Cephalexin Keflex® Dosing Chart for Dogs

Cephalexin, brand name Keflex®, is an antibiotic prescribed to treat bacterial infections in both dogs and cats. In this article, we will learn more about cephalexin for dogs: reviews, dosage, and side effects.

Cephalexin Keflex® Dosing Chart

How much Cephalexin Keflex® can I give my dog?

Most dogs will need a 5 mg/lb dose of cephalexin but some may need up to 15mg/lb to be fully effective, given twice daily for up to 28 days, depending on the type of the infection.

NOTE: A dog should not be given cephalexin if he has a history of allergic reactions to any antibiotics in the cephalosporin family.

Cephalexin Keflex® for dogs dosage calculator

Cephalexin capsules are available in 250 mg and 500 mg strengths. If you are looking for a quick and easy way to calculate the dosage of cephalexin for dogs, then this dosing chart is what you need.

Dog’s weight (lbs) Cephalexin dosage (capsule)
up to 10 pounds 1/4 capsule of 250 mg
21 to 30 lbs 1/2 capsule of 250 mg
31 to 40 lbs 1 capsule of 250 mg
41 to 50 lbs 1 capsule of 250 mg
51 to 60 lbs 1 and 1/2 capsules of 250 mg
61 to 70 lbs 1 and 1/2 capsules of 250 mg
71 to 80 lbs 1 capsule of 500 mg
81 to 100 lbs 1 capsule of 500 mg

NOTE: Consult your vet for the correct dosage of cephalexin for dogs.

Cephalexin Keflex® for dogs reviews

When you see that your dog has an infection, it’s important to treat it right away so that it won’t spread to other dogs in your home.

There are several different types of infections that can affect your pet and each one requires a different treatment plan. Most people start with antibiotics like cephalexin because they’re considered safe for use on pets.

Cephalexin is available as a capsule or suspension that treats infections such as bronchitis, as well as ear, skin, and urinary tract infections. Cephalexin may also be used for other conditions as determined by your veterinarian.

The recommended dose for dogs is 5-15 mg per pound of body weight, given every 8 or 12 hours for 7 to 14 days, depending on the condition being treated. It can be given with or without food.

If you have a dog that has been prescribed cephalexin for the treatment of certain infections, it is important that you read all directions on the prescription label and follow them exactly when giving this medication to your pet.

Cephalexin’s side effects include mild gastrointestinal upset, loss of appetite, vomiting, and diarrhea. Serious side effects include allergic reactions and seizures. If you notice any unusual side effects contact your veterinarian immediately.

Cephalexin has a very good reputation among dog owners. Here are some of the best Cephalexin reviews:

“Last year I bought a bottle of Cephalexin for dogs at my vet’s office and gave it to my dog. Within one week she stopped having infections completely. She is now almost four years old and has never had another ear infection or any other health problems since then.”

“My dog had been having a lot of skin infections and I was looking for something that would help him. I found Cephalexin on the internet and decided to give it a try. He has been on it for a week now and no more problems with his skin!”

“Cephalexin for dogs is a great product, and it’s the best way to treat bacterial infections in dogs. I’ve had my dog on this medication for 10 days now and he seems to be doing very well. He doesn’t have any more issues with his ears, which was one of the main reasons we started him on this medication. I would recommend this product to anyone that has an animal with an ear infection.”

“I’ve always had dogs and have always treated them with antibiotics when they get sick. Cephalexin is a common antibiotic that works well for most issues, but it does have some side effects. For example, it can cause vomiting and diarrhea in dogs.”

Can Cephalexin Keflex® make dogs sleepy or lethargic?

Cephalexin is safe to use in dogs, but it can make them sleepy or lethargic. Talk to your vet if you are concerned about your dog’s behavior after taking cephalexin.

Dogs will show signs of lethargy if they are not feeling well because they are not eating or drinking as much as usual. Dogs with serious conditions will also not want to interact with their owners or other dogs, which could be an indication that something is wrong with them but usually isn’t dangerous unless it persists for longer than two days.

Conclusion of dosing dogs with Cephalexin Keflex®

Cephalexin is available in generic form, which means it costs less than its brand-name counterparts such as Rilexine®, Keflex®, and Vetolexin®.

Cephalexin is a broad-spectrum antibiotic, meaning it can kill a wide variety of bacteria. It works by inhibiting bacterial proteins that are essential for cell wall formation and growth.

Cephalexin has very few side effects when given to dogs at recommended doses. Although cephalexin is generally considered safe to use in dogs, there have been reports of serious side effects when it was accidentally given in overdoses.

It is important that your pet takes this medication for the full course of treatment. If you have concerns about your pet taking Cephalexin, talk to their veterinarian about it before beginning treatment.

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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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