Allergen Information Center

Causes hay fever (runny nose, sneezing, itchy eyes) and sometimes allergic asthma. Severe reactions are rare.

Triggers airway inflammation, sneezing, and runny nose; can cause or worsen asthma.

Causes allergic rhinitis symptoms such as sneezing, runny nose, and itchy eyes. In some cases, it can trigger allergic asthma.

Can cause hives, runny nose, and asthma attacks; anaphylactic reactions have also been reported in some cases.

Proteins in cockroach droppings and bodies can trigger sneezing, coughing, and asthma attacks.