Ma’anar ƙamus na “allergy” na nufin rashin lafiyar da ke faruwa a sakamakon wuce gona da iri na rigakafi ga wani abu da ba shi da lahani, kamar pollen, kura, ko wasu abinci. Atopic allergies yana da alamun bayyanar cututtuka kamar itching, atishawa, hanci mai gudu, da rashes na fata. Kalmar "atopic" tana nufin yanayin yanayin halitta don haɓaka halayen rashin lafiyan, wanda za'a iya gado daga iyaye. Atopic allergies yawanci suna hade da yanayi kamar asma, eczema, da rashin lafiyar rhinitis ( zazzabin hay).