1. Certain Foods: Nuts, shellfish, eggs, milk, and other common allergens.
2. Nuts: tree nuts, such as almonds, Brazil nuts, walnuts, hazelnuts, macadamia nuts
3. Pollen: Tiny grains released by trees, grasses, and weeds.
4. Insect Stings and Bites: Venom from bees, wasps, mosquitoes, and other insects.
5. Dust Mites: Microscopic creatures found in dust.
6. Pet Dander: Tiny, even microscopic, flecks of skin shed by cats, dogs, rodents, and birds.
7. Mold: Tiny spores that grow on rotting logs and fallen leaves.

Understanding these triggers is crucial for managing and preventing allergic reactions.