Doxycycline Dosage for Dogs By Weight: How Much Doxycycline Can Dogs Take?

Doxycycline is a common and effective treatment for bacterial infection in dogs. In this article, you’ll find information about Doxycycline for dogs: dosage, side effects, and reviews.

Doxycycline dosage for dogs by weight

How much doxycycline for dogs?

The recommended dose of doxycycline for dogs is 2 to 5 mg per pound of body weight, once or twice daily. This amount can vary depending on your pet’s weight and the type of infection.

Doxycycline comes in tablet and capsule forms and is available in a variety of strengths including 20 mg, 50 mg, and 100 mg.

Dog’s weight (lbs) Doxycycline dosage (tablet)
10 lbs 1 tablet of 20 mg
20 lbs 2 tablets of 20 mg
30 lbs 1 and 1/2 tablets of 50 mg
40 lbs 2 tablets of 50 mg
50 lbs 1 tablet of 100 mg
60 lbs 1 and 1/2 tablets of 100 mg
70 lbs 1 and 1/2 tablets of 100 mg
80 lbs 2 tablets of 100 mg
90 lbs 2 tablets of 100 mg

Your vet will recommend the dosage based on the condition and weight of your pet.

What is doxycycline used for dogs?

Doxycycline is an antibiotic that can be used to treat a number of different conditions in dogs.

  • Respiratory tract infections
  • Urinary tract infections
  • Oral infections
  • Leptospirosis
  • Toxoplasmosis
  • Mycoplasma
  • Psittacosis
  • Lyme disease
  • Ehrlichiosis
  • Rocky Mountain spotted fever
  • Canine heartworm disease

Doxycycline may be prescribed in combination with other medications. Like all antibiotics, doxycycline should only be given under the direction of your veterinarian.

The recommended dosage for doxycycline for dogs varies depending on the type of infection and weight, but most dogs take between 2 and 5 mg per pound of body weight once or twice daily.

Doxycycline is available in tablet form and should be given with food. Your vet will give your dog the correct dosage based on your pet’s weight and condition.

Doxycycline is generally safe for most dogs and does not cause serious side effects. However, some dogs can develop side effects after taking the medication.

Doxycycline is not recommended for use in pregnant or lactating dogs. If your dog has other health issues such as kidney, liver, or heart disease, it’s important to check with your vet before starting treatment with doxycycline.

Doxycycline can interact with other medications or supplements that your dog may be taking. Doxycycline is known to interact with many medications, including:

  • Antacids
  • Bismuth subsalicylate (Pepto-Bismol)
  • Kaolin/pectin
  • Iron supplements
  • Penicillin antibiotics
  • Phenobarbital (Luminal® or Barbita®)
  • Sucralfate (Carafate® or Sulcrate®)

What are the side effects of doxycycline for dogs?

The most common side effects of doxycycline for dogs include vomiting, diarrhea, and decreased appetite. Other possible side effects include skin rash, swelling/hives, and sensitivity to light. Serious side effects include liver disease and anaphylaxis.

Doxycycline reviews from dog owners

“I have a 6-year-old golden retriever that has had chronic ear infections her entire life. I have tried everything and nothing has worked, until now! We started using doxycycline and within 10 days, the ear infection was gone! Her ears have never looked so good!”

“I have a pit bull who is prone to ear infections. I have been using doxycycline for my dog, and it has helped him immensely! I would definitely recommend this medication!”

“I have a Yorkie and was looking for something to help with his skin infection. My vet recommended doxycycline and I have been using it on him for the past month. It has been great! His hair has grown back, he is not scratching anymore and he looks great! He’s a happy, healthy little guy now!”

“I have two dogs, one is a Shih Tzu and the other is a Rat Terrier. They both have had recurring infections in their ears. I have tried everything to get rid of the problem and nothing worked. My vet recommended doxycycline and decided to give it a try. After 2 weeks, my dogs were able to get rid of their ear infections! They are now doing great!”

How long does it take for doxycycline to work in dogs?

After taking doxycycline for a few days, your dog may show signs of improvement. However, it will take longer to completely clear up your dog’s symptoms. In general, the sooner you start treatment, the faster your dog will improve.

Is human and dog doxycycline the same?

The answer is yes. Many antibiotics are approved for use in humans and animals. The dose will have to be different between the two species, but many antibiotics are safe for dogs, as long as they get the right dosage.

Can a dog overdose on doxycycline?

If a dog is given too much doxycycline, it can cause GI distress. Symptoms of diarrhea or vomiting may be seen within two to four hours after treatment.

Doxycycline for dogs without vet prescription

Doxycycline is a prescription drug and is only available with a prescription from your veterinarian. The only place you can find it without a prescription is online, but there are some risks involved in buying without one.

Conclusion of doxycycline for dogs

Doxycycline can be used in dogs with a wide range of infections, including respiratory infections, skin diseases, urinary tract infections, and intestinal infections.

Doxycycline is not recommended for use in pregnant or nursing animals or those with kidney or liver disease. If your dog has any of these conditions, talk to your veterinarian before giving doxycycline to your pet.

Doxycycline is a very safe drug, and it has been used in veterinary medicine for many years. However, like any drug, it can cause side effects and toxicity.

If you are going to use doxycycline on your dog, make sure you talk to your vet about the proper dosage and keep a close eye on your pet’s condition.

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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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