Published dose range
Published guidance for cats: VET-DIRECTED (prescription only).
Source: Merck Veterinary Manual →In cats, dry-pilled doxycycline can lodge in and scar the esophagus. Vets dispense it as liquid or with instructions to follow every pill with water or food.
Skip it or ask a vet first if
pregnancyyoung growing animals (tooth staining)
If you think you overdosed
Call the Pet Poison Helpline: 855-764-7661 or ASPCA Poison Control: 888-426-4435. Both are staffed 24/7 by veterinary toxicologists.