tick paralysis in human; a case report

background tick paralysis is a disease of human and animals characterized by an acute ascending flaccid motor paralysis. the condition may terminate fatally unless the tick(s) are removed before respiratory paralysis occurs. patient a 48 years old female was referred to a clinic in tehran with edema at the head and neck regions. she had fever and disequilibrium. she reported a travel to mountainous parts of tehran in early spring. during physical examination a small tick was found attached firmly to the head. it has been detached and sent to razi research institute and a female dermacentor marginatus (acari: ixodidae) was verified. following the tick removal the patient's condition was improved. conclusion with respect to a rich fauna of ixodid ticks in iran, it is important to keep in mind the tick associated complications in this area.