Basically its skin tag occurs after anal fissures passing hard stools may leads to inflammation you should consult superspeciallty gastro intestianal surgeon they have minimal in vasive tehinques now days laser techiques for removal of tags
Next Steps
take more of liquid diet add curd , buttermilk etc
during night use ishbhgol husk (fibres )in half glass of warm
Health Tips
avoid straing while passing stools,use anobless ointment (LA)if pain occurs while passing stools