Анотация: A case of generalized tetanus observed in a cat with open fracture of the tibia during the period after the osteosynthesis is presented. The specific clinical symptoms of the disease - hyperextension of the muscles of the legs, neck, tail, facial muscle alterations (trismus, risus sardonicus, third eyelid prolapse), hypersensitivity to noise stimuli accompanied with tetanic convulsions of limbs, were followed out for a period of 8 days. The intensive medicamentous therapy did not result in a favourable outcome and consequently, the cat was euthanized