Doxycycline is a broad-spectrum antibiotic used to treat a variety of infections in dogs, cats, and other animals. It is most commonly used to treat bacterial infections of the respiratory tract, urinary tract, skin, and soft tissues. It is also used to treat anthrax and Lyme disease. The recommended dosage varies depending on the infection being treated and the animal’s size and weight.

Doxycycline is a tetracycline antibiotic that is commonly used to treat infections caused by bacteria, parasites, and chlamydia. This medication can be given to cats in either tablet or liquid form. The recommended dosage for cats is 5 mg per pound of body weight. This means that a 40-pound cat should receive 200 mg of doxycycline every 12 hours, while a 10-pound cat should be given 50 mg every 12 hours.

Doxycycline is an antibiotic used to treat bacterial infections in dogs, cats, and other animals, as well as humans. It’s sometimes used for treating Lyme disease in dogs and cats, although some veterinarians say there’s no proof that it works against this condition. Do not give your pet doxycycline without first talking to a veterinarian.

How It Works

Doxycycline is a tetracycline antibiotic. It is effective against a wide variety of bacteria, including both Gram-positive and Gram-negative bacteria. In addition to its antibacterial properties, doxycycline also has anti-inflammatory, antiprotozoal (effective against malaria), and antirickettsial effects.

Doxycycline is not effective against viruses; it’s used only for bacterial infections.


Doxycycline is a broad-spectrum antibiotic that is used to treat a wide variety of infections in cats. It is also used to treat skin infections, respiratory infections, urinary tract infections and infections caused by some parasites.

It is effective against many bacterial and protozoal causes of disease including Chlamydophila felis (formerly known as FeLV) which can cause feline infectious peritonitis; Mycoplasma spp., which can cause pneumonia; Bordetella bronchiseptica (formerly known as B bronchiseptica), the causative agent of kennel cough; Staphylococcus intermedius, an opportunistic pathogen causing ocular abscesses in cats; Pasteurella multocida serotypes A & C causing cat scratch disease; Streptococcus spp., seen commonly in conjunctivitis cases; Toxoplasmosis gondii (which is transmitted through contaminated food or contact with litter box contents); Ehrlichia chaffeensis (which causes tick fever); Bartonella henselae (which causes cat scratch fever); Leishmania donovanii complex species causing cutaneous lesions called leishmaniasis affecting dogs, especially those who hunt wild animals, particularly raccoons or foxes.

Dosage And Administration

For the treatment of respiratory infections and other diseases, give the medicine with food. Always follow your veterinarian’s advice as to how much and how often to give doxycycline. Most veterinarians recommend giving doxycycline every day for at least 7 days. However, some veterinarians may recommend that you give it daily for longer periods if needed.

If you’re giving doxycycline with water, use a syringe to measure out a correct dose and place in an empty bowl or cup for your cat to eat from or drink from on its own terms (just like you would with a pill).


Doxycycline is a tetracycline antibiotic that is used to treat infections caused by bacteria. It works by killing bacteria or preventing their growth. Doxycycline can be used in the treatment of Doxycycline is also sometimes combined with other drugs in the treatment of Lyme disease, malaria, Rocky Mountain spotted fever, typhus fever, and other rickettsial diseases.

  • Infections due to chlamydia
  • Mycoplasma infections


The following conditions are contraindications for Doxycycline:

  • Allergic reactions to Doxycycline or other tetracyclines
  • Pregnancy and lactation in dogs, cats, ferrets and rabbits
  • Use in animals under 6 months of age

Warnings And Precautions

You should be aware of the following precautions while using doxycycline:

  • Do not use this medication in pregnant cats or kittens.
  • Do not use this medication if your pet has kidney disease or liver disease, or is on dialysis.
  • Do not give this medicine to your cat under 6 months of age, as it can cause permanent staining of the teeth (a condition called yellow tooth).

Adverse Reactions

If your cat develops an adverse reaction, contact a veterinarian immediately.

If you suspect that your cat has developed an adverse reaction to Doxycycline, contact a veterinarian immediately.

If the patient’s condition worsens or does not improve after taking Doxycycline for 10-14 days and the patient is not showing signs of improvement, then it may be time to consider another antibiotic. If you have any questions or concerns about other animals’ health problems or treatments, please consult with a local veterinarian who can provide treatment recommendations based on their own professional experience

Drug Interactions

It is important to note that doxycycline can interact with other drugs, including:

  • Birth control pills
  • Blood pressure medications like verapamil and diltiazem
  • Antibiotics such as erythromycin, ciprofloxacin, sulfamethoxazole/trimethoprim, sparfloxacin and rifampin


If you give your cat a dose of doxycycline that is too high, he may experience severe vomiting, diarrhea, and dehydration. Overdose can also cause seizures and even death in some cases. Overdosage can also cause damage to the liver and kidneys, which could lead to red blood cell breakdown (hemolysis) or anemia.

If you think your pet has ingested too much doxycycline, call a veterinarian immediately.

If you think your pet has ingested too much doxycycline, call a veterinarian immediately. If you are unsure of the amount of doxycycline your pet ingested, call a veterinarian immediately. If your pet is showing any signs of an overdose (such as vomiting, diarrhea, or lethargy), call a veterinarian immediately.

If you suspect that your pet has gotten into doxycycline and is showing signs of overdose, call a veterinarian immediately. It’s important to be aware of the potential risks associated with this medication so that you can make an educated decision about whether or not it’s right for your furry friend after weighing the pros and cons.

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