Hi My Name Is Abby. I've Been Experiencing Pain Inside

Hi my name is Abby. I've been experiencing pain inside my anus area like gas n when I cough or push to poop it hurts don't know what it can be ! Can you help me please its been about a week now what should I do ? I'm worried it also hurts wen I have sexual intercourse feels like trapped gas pls help me! . thank you . sincerely, Abby Rodriguez