What are the causes of allergic rhinitis and what kinds of

What are the causes of allergic rhinitis?
There are many elements that cause allergies, including:

     Random plant

     Dust particles

     Animal dander

     Plumage

     Fungi

     Cockroaches

     Some foods such as fish, eggs and milk

     The corn dust mites of the most allergy-causing elements in the world, including Saudi Arabia, especially in coastal areas which, because the corn dust mites like to live in a warm atmosphere with high humidity.

What types of allergic rhinitis?
There are two types of allergic rhinitis:

     Sensitivity of the seasonal

     And sensitivity of the ongoing

There is no difference in the look the difference, but in the etiology, seasonal allergy comes in the spring and early summer with Random Plant, and the sensitivity comes a constant throughout the year and causes an atom of dust mites, fungi, and cockroaches.

There is another type of allergy-like rhinitis, called rhinitis is sensitive, the difference between them is that there is no cause can be identified by him, which appears when exposure to the vagaries of air or materials frigate Kalshth eat or when you smell certain odors.