Home » QAQuestion: What Can Trigger Your Allergies?ContentsWhat are two reasons for increase in allergies?How do I know what triggers my allergies?What can cause allergies to flare up?What are the 10 most common allergies?What are two reasons for increase in allergies?.How do I know what triggers my allergies?What can cause allergies to flare up?What are the 10 most common allergies?