For about two weeks I have had greenish brown stool that is hard (has caused rectal tearing) I m health care field and I know it s usually normal but the smell isn t. I haven t had this before and I m 24 but it smells metallic. I was thinking of taking stool softeners because of the damage it s caused but I thought I would seek advice first before doing anything. I am going frequently during the day but not diarrhea by any means. Formed. I don t take multi vitamins, supplements, or any medications other than my birth control I have been on since I was 18. No diet restrictions other than what I have an allergy too.