Doxycycline For Dogs

doxycycline dog

Doxycycline is one of the most popular antibiotics that treat dogs. A lot of dogs take antibiotics at least once in their lives, whether for a current infection or as a preventative measure. One of the antibiotics typically utilized in veterinary medication is doxycycline.

What Is Doxycycline?

Doxycycline is a broad-spectrum antibiotic, which means it targets a large range of bacteria. It also has likewise broad antimicrobial properties, targeting prospective unsafe microorganisms like Wolbachia, Dirofilaria immitis, E.coli, Pseudomonas aeruginosa, Serratia, Klebsiella, and Truperella, just to call a couple of.

Doxycycline is in a family of drugs called tetracycline. These drugs hinder protein synthesis and modify the cytoplasmic membrane permeability of prone organisms, fighting off bacterial and microbial infections. Doxycycline is a partially synthetic drug, originated from natural and synthetic sources to produce an effective, broad-spectrum antibiotic.

What Are the Uses of Doxycycline for Dogs?

Doxycycline is normally utilized to treat bacterial infections and infections brought on by bacteria in dogs. It is not efficient versus viral infections or fungal infections. Your veterinarian might prescribe doxycycline to treat a present infection, or as precaution versus a secondary bacterial infection, as is frequently the case with viral infections like canine parvovirus that leave dogs susceptible to secondary bacterial infections.

Some examples of conditions vets treat with doxycycline for dogs consist of:

  • Respiratory infections
  • Urinary tract infections
  • Infected injuries
  • Blood-borne infections
  • Rocky Mountain Spotted Fever
  • Lyme disease
  • Ehrlichiosis
  • Leptospirosis

If your dog’s condition is not on this list, don’t worry. Doxycycline has a broad series of applications and can help treat numerous various types of bacterial infections and microbes that affect dogs.

Side Effects of Doxycycline for Dogs

Dogs generally tolerate doxycycline well, but it is constantly a good concept to understand the possible side results of a drug before you give your dog a new medication. The most typical side impacts are symptoms of GI upset, such as vomiting and diarrhea. Extreme GI symptoms could be an indication of a doxycycline overdose, so make certain to call your veterinarian.

Tetracycline antibiotics like doxycycline can cause skeletal limb defects in establishing puppies in utero, posturing a prospective danger for pregnant moms. In many cases, the advantages of using doxycycline exceed the prospective dangers for pregnant moms, however make certain to let your veterinarian know if your dog is pregnant prior to treatment.

If your dog has a history of allergies to antibiotics, particularly antibiotics in the tetracycline family, make sure you discuss this to your vet, as doxycycline might activate a harmful allergy.

Doxycycline Drug Interactions

Drug interactions can trigger issues for dogs taking multiple medications, similar to they can for people. Speak to your veterinarian if your dog takes any of the following medications or supplements while on doxycycline:

  • Oral antacids
  • Bismuth
  • Kaolin
  • Pectin
  • Iron supplements
  • Bactericidal antibiotics such as penicillin, cephalosporin, or aminoglycosides
  • Anticoagulant medications like warfarin
  • Phenobarbital

If your dog is taking any of these other drugs, it does not always mean he can’t take doxycycline. However, it might change the way you administer the drug. For example, oral antacids, bismuth, kaolin, and pectin are safe to take one-to-two hours before or after doxycycline, dosages of iron and doxycycline ought to separated by three hours. Tetracycline can likewise change the clotting time for your dog’s blood, which means that dogs on a drug like warfarin might need additional tracking and a change of the dosage.

Dosage of Doxycycline for Dogs

The dosage of doxycycline for dogs will differ depending on your dog’s health and condition. While the Merck Veterinary Manual recommends an oral dosage of 5-10 mg/kg per day, you must not try to change the dosage without the assistance of your vet. Changing your dog’s medication can result in antibiotic resistance, which threatens for your dog and might also lead to a longer recovery time.

If you have concerns about your dog’s dosage, call your veterinarian. As with any antibiotic, make certain your dog ends up the full course of the drug, even if your dog is revealing signs of healing.

A common dosage of doxycycline for dogs is 1.4-2.3 mg/lb every 12 hours for 7 to 14 days. Dr. Drew suggests a higher dosage of 2.3-4.5 mg/lb every 12 to 24 hours for 10 or more days. Always follow the recommendation of your veterinarian.

Dosage Chart

The following chart reveals a dosage of 2.3 mg/lb.

Doxycycline For Dogs

Other suggested doses according to different conditions are listed below:

To treat…Method of administrationDosage
ErhlichiosisOral2.3 – 4.5 mg/lb every 12 hours for 7 to 10 days
Lyme diseaseOral4.5 mg/lb once daily for 21 to 28 days
Rocky Mountain spotted fever (RMSF)Oral2.3 mg/lb every 12 hours
Salmon poisoningIV4.5 mg/lb twice daily for 10 or more days
Soft tissue infections or UTIsOral or IV2.2 – 5 mg/lb twice daily for 7 to 14 days

How to Give Doxycycline to Dogs

Doxycycline has a high bioavailablity, which means it is easily absorbed by the canine body. It can be given with or without food, unlike other types of tetracycline, as long as the dog has access to fresh water. The finest method to give doxycycline to your dog is to follow your veterinarian’s guidelines, as your veterinarian has access to in-depth clinical literature about doxycycline uses, side effects, dosages, and drug interactions that many owners do not.

Is It Safe?

Doxycycline is FDA approved in gel form, and the oral/injectable forms are commonly utilized to treat dogs. Care should be taken to prevent superinfections of bacteria and fungis which are not prone to the drug. Rapid IV injection of the drug in overdose quantities might possibly result in irregular heart beat and more severe cardiac results based upon the reactions of other types.

Pregnancy/Nursing: Do not administer this medication to pregnant or nursing dogs. If usage on a pregnant dog is inevitable, use of the medicine throughout the last half of pregnancy is possible.


Doxycycline for dogs is an antibiotic medication that is prescribed for a variety of bacterial infections. It is also used together with other medications to deal with viruses and fungi. The dosage and treatment will differ depending on your dog. So it’s important to listen to your vet’s instructions.

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References and used sources

Reyus Mammadli

Having engineering and medical education, in recent years actively engaged in the study of the development, reproduction of domestic animals. Special attention is paid to the treatment and prevention of diseases of Pets.

Author of several hundred articles about health and healthy lifestyle. In recent years, he has been treating Pets and birds together with specialists. In their articles on shares both his knowledge and experience, and, based on reliable sources, methods of primary diagnosis of diseases in Pets and General recommendations for their possible treatment.

Of course, the articles are only informative. In each case, diagnosis and treatment should be carried out and prescribed by a qualified veterinarian.

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