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Tetracycline is a broad spectrum antibiotic used to treat various conditions caused by susceptible bacteria. It is available as 250mg and 500mg capsules. It is not for use in pregnant, nursing or growing animals. The usual dose for dogs is 10mg/pound by mouth every 8 hours. The usual dose for cats is 9mg/pound by mouth every 8 to12 hours. (sold per capsule)

Generic Name
Tetracycline (tetra�-sigh-kleen)


Brand Name(s)
Sumycin (Apothecon)

What is this medication used for
Tetracycline is a bacteriostatic antibiotic used by veterinarians for the treatment of infections such as Lyme disease, Chlamydia, Rocky Mountain Spotted Fever and bacterial infections caused by susceptible organisms.

Tetracycline is a prescription medication available as capsules and syrup.

How this medicine should be used
Tetracycline is FDA approved for use in dogs and cats. The usual dose of tetracycline in dogs is 10mg/pound every 8 hours. The usual dose of tetracycline in cats is 9mg/pound every 8-12 hours.

What are the side effects
Side effects of tetracycline include vomiting, diarrhea, loss of appetite and drowsiness.

What special precautions are there
Tetracycline should not be used in animals allergic to it or other drugs in this class. Use with caution in animals with impaired liver or kidney function. Do not use in pregnant, nursing, or growing animals since this medication may cause slowing of bone growth and discoloration of teeth. Give antacids, vitamin and mineral combinations, iron, or Pepto-Bismol at least 1 hour before or 4 hours after giving tetracycline. Use caution when given with digoxin or warfarin. Tetracycline should be given on an empty stomach.

In the event of an overdose
Contact your veterinarian or veterinary emergency room. Symptoms of overdose may include diarrhea, vomiting and lack of appetite.

How should I store this medication
Keep this medication in the container it came in, tightly closed. Store at room temperature, away from excess heat, light and moisture. Do not store in the bathroom. Throw away any medication that is outdated or no longer needed. Keep out of the reach of children and pets.

This information sheet is for educational purposes only and is intended to be a supplement to, and not a substitute for, the expertise and professional judgment of your veterinarian. The information is NOT to be used for diagnosis or treatment of your pet. You should always consult your own veterinarian for specific advice concerning the treatment of your pet.

The information is not intended to cover all possible uses, directions, precautions, warnings, allergic reactions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for your pet. It is not a substitute for a veterinary exam, and it does not replace the need for services provided by your veterinarian.

Note: Any trademarks are the property of their respective companies

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