noun, noun which may take the genitive case particle 'no'
atopic; allergic predisposition
Medical term for a hereditary tendency to develop allergies. Often used attributively with 性 or in compounds.
アトピー体質の人は、ダニや花粉に反応しやすい。
People with an atopic constitution tend to react to dust mites and pollen.
noun
atopic dermatitis
Common abbreviation for アトピー性皮膚炎. Used in everyday conversation to refer to the skin condition.
See also: アトピー性皮膚炎 (アトピーせいひふえん)
子供の頃、アトピーがひどくてよく病院に通っていた。
When I was a child, my atopic dermatitis was so bad that I often went to the hospital.