Exam or colonoscopy. Many people present with "piles" and this can actually be the issue or one of many other problems that your doctor can help there are dietary, behavioral, hygiene modifications as well as procedures that can help with these common problems. Both constipation and diarrhea can lead to this condition as well it is best if you consult with a general or colorectal surgeon to help with this matter.
Different. Ext hemorrhoid is a blood clot. An abscess is pocket of pus from an infected anal gland.