Food allergens
Including fish, shrimp, crab and other seafood as well as protein-containing nuts (e.g. peanuts)
Environmental factors
Such as dust mites, pollen, mold, etc., causing vasomotor rhinitis or viral infection
Food
Healthy food such as eggs, milk, nuts, seafood, beef, orange, banana, etc., can be potential allergens. Food allergic individuals may experience chronic reactions such as itchy skin and eczema
after eating food allergens. They may even have acute reactions such as dyspnea, low blood pressure and severe itching, etc.
Pollen
Pollen is one of the major inhaled allergens. There are more than 10
types of antibodies being produced upon inhaling the pollen allergen and causing asthma, allergic rhinitis and other allergic
reactions.
Animal Hair
Allergies against animals are most likely due to contacting animal secretion, such as saliva, urine, and swears. Such secretions well stick on to animal fur which would cause allergies to patient when you come in contact with.
Mites
Many experts believe that the dust mites is associate with the furnishings and the respective layout. House furniture is pretty
easy for dust mites to hide. Allergic rhinitis, dermatitis, asthma and other allergies are offen due to the exposure to dust mite secretion, excretion and dead dust mite bodies.
Cockroaches
Cockroaches are the second most important furniture related
allergen after dust mites. Cockroach excrement, dander, etc. will
float in the air and can cause allergies if being inhaled.
Molds
Molds commonly exist in nature and can breed in most humid environments. They can be found in dead leaves, food, bathrooms and even refrigerators.