Have Cat Questions? Ask a Cat Vet Online.
Hi this is Dr. Hill. How many mg tablet? How long ago did he eat it?
Okay. Is he drooling?
Doxycycline is typically very bitter and will cause many animals to hyper salivate (drool). It is not typically toxic and is sometimes used for cats. Let me do a calculation and I will be right back.
So he got about twice the high end of the dose. We don't usually see signs of toxicity until they have received 5 times the dose. Toxic signs are vomiting and diarrhea. However, it is very important that you give him water to wash it down. Doxycycline can sit in the esophagus and cause erosions and esophageal strictures. Do you have a syringe or a small bulb syringe? Can you give him some water with tuna juice to try and wash it down?
He needs over a tablespoon to prevent it from sticking in esophagus. Sounds crazy, but cats have this issue with doxycycline. Feel free to ask additional questions. Please take time to rate my answer. Take care.
Your welcome. Have a nice evening.