Possible side effects include nausea, loss of appetite, diarrhea and vomiting. Contact your veterinarian if you observe any of these effects in your pet.
Tetracycline may cause photosensitivity, with pustules or blisters on skin exposed to the sun. Protect your pet from the sun.
Long-term therapy may result in the growth of unwanted bacteria or fungi. May stain the teeth in immature animals.
If your pet experiences an allergic reaction to the medication, signs may include facial swelling, hives, scratching, sudden onset of diarrhea, vomiting, shock, seizures, pale gums, cold limbs, or coma. If you observe any of these signs, contact your veterinarian immediately.