<prompt> An infant presented with erythematous lesions on cheek, extensor aspect of limbs, mother has history of bronchial asthma, the probable diagnosis isAir borne contact dermatitisAtopic dermatitisSeborraehic dermatitisInfectious eczematoid dermatitis  <response>: Atopic dermatitis Infantile form. i.e. Infantile eczematous dermatitisStarts at the age of 2-3 monthsItchy papules and vesicles, lesions are intensively prurititicDistribution Begins on face but can involve rest of the body, sparing diaper area napkin rash is absentAfter face, neck and extensor surfaces of knee, elbow and groin are involvedPersonal or family history of other atopic conditions -f Asthma, Haye fever, allergic rhinitis or conjuctivitis, urticaria, food allergies. 