Common allergens that can cause allergic reactions include:
* Environmental Allergens: Grass and tree pollens, dust mites, mold and fungal spores.
* Animal-Derived Allergens: Pet dander and fur.
* Food Allergens: Various foods such as milk, eggs, soy, seafood, peanuts, tree nuts, and some fruits.
* Insect Stings: Stings from insects like bees and wasps.
* Medications: Certain antibiotics or other drugs.
* Contact Allergens: Latex (rubber), nickel (common in jewelry), and chemical resins.