For dog owners wondering, “Does doxycycline treat chlamydia in dogs?“, this comprehensive guide is here to help. Dive deep into the causes, symptoms, and best treatments for chlamydia in our canine companions.

Doxycycline For Chlamydia In Dogs

Understanding Chlamydia in Dogs

Chlamydia in dogs is an infection caused by the Chlamydia psittaci bacterium. Humans can also contract this disease, but it’s essential to note that in dogs, it is not transmitted sexually. Instead, dogs often contract chlamydia through contact with infected bird feces.

You may also like to read: Metronidazole for Chlamydia In Dogs

Chlamydia Symptoms In Dogs:


Chlamydia in dogs can manifest in various ways. It’s essential to be vigilant and attentive to any changes in your dog’s behavior or appearance. Here’s a breakdown of the common signs:


  • Appearance: The discharge is typically thick, cloudy, or yellowish-green. It can originate from the eyes, nose, or other parts of the body.
  • Frequency: This symptom can be persistent, with the discharge appearing regularly throughout the day.
  • Associated Issues: The discharge can lead to the fur around the affected area becoming crusty or matted. Cleaning the area gently with a damp cloth can help, but it’s crucial to seek a veterinarian’s advice.

Watery or Inflamed Eyes:

  • Redness: The white part of the eye, or the sclera, may become noticeably red or bloodshot.
  • Swelling: The eyelids, both upper and lower, might be swollen, making it difficult for the dog to open its eyes completely.
  • Tearing: Excessive tearing can occur, leading to wet fur beneath the eyes. It might resemble the dog crying.

Itchy Skin:

  • Scratching: Dogs affected by chlamydia might scratch more frequently, leading to areas of raw or red skin.
  • Bumps and Rashes: Look out for raised bumps or rashes on the skin, especially in areas the dog tends to scratch.
  • Hair Loss: Continuous scratching can lead to patches of hair loss, revealing irritated or inflamed skin underneath.


  • Reduced Activity: Dogs with chlamydia might appear less enthusiastic about activities they previously enjoyed, such as walks or playtime.
  • Sleeping More: They may sleep more than usual, seeming unresponsive or less alert during their waking hours.
  • Change in Appetite: Lethargy can also be accompanied by a decrease in appetite. They might eat less or show disinterest in their food.

If you observe any of these symptoms in your dog, it’s essential to seek professional advice from a veterinarian. They can provide a definitive diagnosis and recommend appropriate treatments.

Doxycycline For Chlamydia Treatment


Chlamydia in dogs can be distressing, but effective antibiotic treatment like doxycycline can help to manage and potentially eradicate the infection.


Typically, vets prescribe doxycycline at a rate of five to ten milligrams per kilogram, administered twice daily. The dosage can vary depending on the dog’s weight and the severity of the infection.


The length of treatment can range, but it’s crucial to complete the entire course even if symptoms improve before the medication is finished.


Doxycycline has been extensively researched and is known to be safe for dogs when prescribed appropriately. However, always follow the vet’s guidelines regarding dosage and duration to ensure optimal results.

Potential Other Uses of Doxycycline:

Side Effects to Consider:

Mental Illness: In rare cases, doxycycline may contribute to behavioral changes or symptoms similar to mental illnesses. Learn more about doxycycline’s potential to cause mental issues in dogs.

Seizures: Some dogs might be predisposed to seizures when on doxycycline. It’s crucial to be informed about this potential side effect and learn how to address it if it arises.

Consulting with a Vet:

Before starting any treatment, ensure that a vet diagnoses the condition. They can test for Chlamydia by taking swabs from affected areas. It’s also worth noting the duration it takes for doxycycline to work in dogs.

Though doxycycline is a preferred treatment for chlamydia, it has a range of uses in veterinary medicine.

It’s a derivative of oxytetracycline and has no known food interactions. However, owners should be aware of possible complications such as gut bacteria changes or liver damage.


Chlamydia in dogs, while not sexually transmitted, can still present significant health issues. Doxycycline can be an effective treatment, but always consult with a veterinarian for a definitive diagnosis and treatment plan.

For other infections, discover how doxycycline may treat pneumonia or sinus infections in dogs.


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