Health & Wellness > Pediatric Health LibraryYour Child's Asthma: Avoiding TriggersHow to avoid asthma triggersMany things can trigger an asthma flare-up, including the following:Upper respiratory infections, like colds or the fluAllergies to dust mites, pollens, pets, mold, or cockroachesExerciseIrritants, such as cigarette and other forms of smoke, strong odors and perfumes, fumes from wood stove