Anal fissures

• Facts:
  Slit like tears of the anal canal
  Mostly located on the posterior or anterior anal verge
  MC caused by the passage of large, hard constipated tools
• History / PE:
  Constipation
  Painful defecation
  Hematochezia
• Treatment:
  Diet modification (high-fiber diets)
  Stool softener
  Local anesthetic