cqvip:We describe here a Parthenium hysterophorus patch-test-positive patient with widespread dermatitis of non-airborne contact dermatitispattern,improving whil e staying in Shimla(a parthenium-free area) and rapidly worsening while visitin g his native place, where there was exuberant parthenium growth. After recovery, inhalation of fresh plant material from a polythene bag resulted in exacerbatio n of dermatitis and pruritus within 8-10 hr, without any respiratory symptoms. The possible pathomechanism of such a phenomenon is discussed.
展开▼
