Main reasons for allergies (Reasons/Triggers)
Heredity (Genetics): If your parents or siblings have allergies in your family, you are more likely to develop them.
Environmental factors:
Dust: House dust, pollen from plants that cause allergies (Pollen).
Weather changes: Humidity, cold, air pollution in the atmosphere.
Foods: Some people are allergic to milk, eggs, peanuts, fish, shrimp, etc.
Animal products: Pet hair, saliva, and skin scales can cause allergies.
Medicines: The body can overreact to certain types of medications (for example, antibiotics such as penicillin).
Insects: Bee or other insect stings can cause severe allergies in some people.
Chemicals: Chemicals found in perfumes, soaps, detergents, and cosmetics can cause skin allergies.