Allergens can be classified into several categories based on their source:
Food Allergens: Common food allergens include peanuts, shellfish, eggs, and dairy products. Inhalant Allergens: These include pollen, mold spores, pet dander, and dust mites. Drug Allergens: Some individuals may react to medications like penicillin or sulfa drugs. Contact Allergens: Substances like latex, nickel, and certain cosmetics can cause contact dermatitis. Insect Allergens: Stings from bees, wasps, and other insects can trigger allergic reactions.
