Bronchial irritant: Ammonia can trigger asthma since it is a bronchial irritant. It is not a specific allergen. It is an asthma trigger in the same way that chlorine near a swimming pool or other strong cleaning agents can be--by irritating already "twitchy" or reactive airways.
Answered 2/24/2018
6.3k views
Pungency: Any strong smell can trigger asthma - we don't allow perfume in our waiting room. Same goes for smoke, fumes and most cleaning detergents.
Answered 3/27/2016
5.6k views
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