Some problem in anus had bit pain.

Dr. I had a very bad stomach 5 days ago which leads to around 20 to 25 tyms of toilet but afrt my stomac got ok ...i had pain while using toilet in my anus and it seems like some skin or internl part is just came out and had bit pain also while doing poty ...around 3 to 4 yr ago i had a issue having blood in my stool it was fir one or two times no very muçh but lil blood it was self cured without medicine...sinc then there was no such history ..and now also evry thing is fine no pain in anus but i feel like somthing is just hanging in my butt hole like a part or skin...what is it plz guide is it piles or something dangerous ( no history of anal sex or eating junk food or spicy stuff i eat mostly boiled and helty food) was it due to thatt 20 to 25 times of toilet i suffer due to bad stomach...plz guide...thank you.