Atopic Dermatitis

Atopic dermatosis is a chronic, relapsing pruritic skin disorder of unknown etiology, associated with personal & family history of atopy.

Pruritis is the main characteristic with symmetrical distribution of lesions.

It predisposes an individual to a triod of disorders i;e

  1. bronchial asthma,
  2. allergic rhinitis &
  3. atopic dermatitis.

A. Infantile atopic dermatitis

Usually starts at or after 3 month of age.


  1. Severe itching
  2. Erythema
  3. Edema
  4. Papulovesicular
  5. Exudative lesions

on the face , scalp and extensor aspects of the lower limb. In severe cases upper limb as well as trunk are also affected.


In over 90% of cases the disease subsides by the age of 18 months.

B.  Childhood atopic dermatitis—


Itchy popular lesions in

  1. The cubital & popliteal fossae
  2. Sides of the neck
  3. Wrists
  4. Ankles


It may remit or continue on to the adult phase at the age of puberty.

C. Adult atopic dermatitis-

Distribution of lesions is same as in childhood but there is a marked tendency to lichenification and generalization.


Secondary bacterial and viral infections ( eczema herpeticum, eczema vaccinatum)


  • Avoiding contact with irritantsWool & Synthetic Clothes
  • Controlling extremes of temperature
  • Minimizing use of soaps & detergents.
  • Emollients and mild potency topical steroids.
  • Systemic antibiotics in exudative lesions 
  • Antihistamines
  • Topical immuno-suppressants

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