Causes of Itch

Causes of localized itch include:

  • Itchy rash (with many possible causes)
  • Contact dermatitis
  • Allergic dermatitis
  • Toxic dermatitis
  • Eczema
  • Shingles (herpes zoster)
  • Lichen planus
  • Lichen simplex chronicus
  • Erythema

Skin Reactions: Some other everyday non-disease and substance reaction causes of itchy skin include:

  • Skin irritants
  • Soaps and bath products (overuse or allergic reaction)
  • Perfumes
  • Skin make-up
  • Overly hot water when bathing

Skin Conditions: Widespread itching may be caused by:

Generalized Pruritus: Generalized itch, or “itching all over” may be caused by various conditions:

Other Causes:

Localized Pruritus: Some examples of causes of particular types of local itch:

  • Tinea pedis (foot itch; toe itch)
  • Dandruff (scalp itch)
  • Conjunctivitis (eye itch)
  • Hemorrhoids (rectal itch)
  • Gastrointestinal worms (anorectal itch)
  • Enterobiasis (anal itch)
  • Myringitis (ear itch)
  • Head lice (scalp itch)
  • Pubic lice (pubic area itch)
  • Vaginitis (vaginal itch)

Specific Local Types: See also causes of more specific types of local itch, based on the anatomical location:

  • Facial itch
  • Eye itch
  • Ear itch
  • Nasal itch
  • Mouth itch
  • Scalp itch
  • Arm itch
  • Hand itch
  • Finger itch
  • Leg itch
  • Knee itch
  • Foot itch
  • Anal itch
  • Rectal itch
  • Vaginal itch
  • Vulval itch
  • Penile itch

Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.