Talk to Gastroenterologist on Anal Itching

salam doctors. i have itching near my anus area. no issue in bowl movement, neither pain, nor constipation. i was good few days ago it started out of no where. i am very much disturbed. i took vermox 100mg for 5 days, and zentinel 200mg for two days. still i am there is no relief. its getting on my nerves now. i have exams in few days and it really worries me. please suggest me a solution.