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Health topics
Health topics
… a soaked rag is placed in the mouth or held to the face for inhalation. Aerosols can be sprayed directly into the nose … a soaked rag is placed in the mouth or held to the face for inhalation. Aerosols can be sprayed directly into the nose …
Medical tests
… Overview Exercise challenge and inhalation challenge tests are sometimes used to diagnose … before and after you are given an inhaled medicine, such as methacholine or histamine, or after breathing cold air. The … tubes) overreact to breathing cold air or to inhaling methacholine or histamine. This may support a diagnosis of …