The pain is 1/10 at most and very rare, mainly when wiping?

May be a hemorrhoid: With that description, in one's mid 20's, may be a hemorrhoid. A primary care doctor can examine the anus and rectum. With constipation, one has higher pressure into the anus and rectum, and the veins can swell up into a lump (called a hemorrhoid) that hurts, itches, burns, and sometimes bleeds. The doctor can offer treatment ideas after the exam. Prolonged constipation is abnormal and needs help.