Writing for the Mayo Clinic, Dr Elizabeth Rajan said that “pencil thin” poop can rarely be a sign of irritable bowel syndrome (IBS). The pro says you should see your doctor if the change ...

Writing for the Mayo Clinic, Dr Elizabeth Rajan said that “pencil thin” poop can rarely be a sign of irritable bowel syndrome (IBS). The pro says you should see your doctor if the change persists for ...