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Oxytetracycline

A representation of Oxytetracycline

Oxytetracycline is an antibiotic that is used to treat bacterial infections in dogs. It belongs to the group of tetracyclines, which have a broad spectrum of activity against many different types of bacteria. In this article you will find out how oxytetracycline works in dogs, when it should be used and what side effects it can have.

How does oxytetracycline work in dogs?

Oxytetracycline inhibits the protein biosynthesis of bacteria by binding to the ribosomes. These are the cell components that are responsible for the production of proteins. Without proteins, the bacteria cannot grow and multiply. This stops the infection and the dog's immune system can fight off the remaining bacteria.

When should oxytetracycline be used in dogs?

Oxytetracycline is mainly used for infections of the skin, respiratory tract, urinary tract and gastrointestinal tract. It can also help with infections caused by specific bacteria such as chlamydia, rickettsia or borrelia, which can affect the eyes, heart or joints, for example. Oxytetracycline should always be administered as directed by the vet, who will determine the correct dosage and duration of treatment. If the treatment is too low or too short, the bacteria may become resistant and the antibiotic will no longer be effective. Too high or too long a treatment can lead to side effects.

What side effects can oxytetracycline have in dogs?

Like any medication, oxytetracycline can have side effects in dogs. The most common are:

  • Gastrointestinal symptoms such as nausea, vomiting or diarrhea
  • Discoloration or damage to teeth and bones in young dogs
  • Sensitivity to sunlight and increased risk of sunburn
  • Impairment of liver or kidney function with high doses or prolonged use
  • Allergic reactions such as skin rash, itching or difficulty breathing

If you notice any of these side effects in your dog, you should contact your vet immediately and discontinue treatment. Some side effects can be serious and cause permanent damage.

Oxytetracycline is an effective antibiotic for the treatment of bacterial infections in dogs. However, it should only be used after consulting your vet, as it can also have side effects. You should also make sure that your dog drinks enough during treatment, does not spend too much time in the sun and that his teeth are regularly cleaned.


The authors assume that a veterinarian should be consulted if an animal is ill and that medication should only be taken after consultation with a doctor or pharmacist. Only an individual examination can lead to a diagnosis and treatment decision.

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