Inhaled corticosteroids should be avoided in individuals with severe allergies to which substance?

Inhaled corticosteroids should be avoided in individuals with severe allergies to milk protein because certain formulations of inhaled corticosteroids may contain lactose, which is derived from milk. People with a severe milk allergy could experience an allergic reaction to lactose as it can contain trace amounts of milk proteins. This reaction can lead to potentially serious health complications, including anaphylaxis. Therefore, it is crucial for individuals with a known milk protein allergy to inform their healthcare provider before using inhaled corticosteroids to ensure safe treatment options are explored.

While other allergens like egg protein, peanuts, and wheat gluten can also cause severe allergic reactions, the association with inhaled corticosteroids specifically applies to milk protein due to the ingredient concerns related to lactose in some products.