| Sinus cavities, though they are located in the head, | | | | people fall seriously unwell when exposed to pollen or |
| open up in the nasal passages for free exchange of | | | | animals, others do not feel a thing. However for |
| air and mucus. This is how the sinus allergy causes | | | | people who have an allergy to animal furs, the body |
| come into play, enter the nasal cavity and often | | | | reacts in the same way as it does with pollen and a |
| cause sinusitis. | | | | case of sinusitis is soon in full swing. |
| Sinus allergy causes can be many and varied. It can | | | | Sinus allergy causes, whether it is pollen, animal fur, |
| range from the pollen of flowers, dust, dirt, pollution | | | | mold or dust is in most cases within ones sphere of |
| etc. These sinus allergy cause the nasal cavity to | | | | control. Though there is not much that you can do to |
| become blocked. When the mucus cannot flow freely | | | | keep the pollen from coming in with the air, |
| anymore, it becomes stuck inside the nasal cavity | | | | repeatedly cleaning the house often rids it of the |
| and that becomes a perfect breeding ground for | | | | other potential causes like mold and dust. |
| allergies. | | | | Environmental triggers are the sinus allergy causes |
| Pollen, a powdery substance released in the air by | | | | therefore try as much as possible to keep control on |
| flowers is the most common cause for allergies. All | | | | them. As long as the immediate surroundings of a |
| sinus allergies causes center around the pollen and | | | | person prone to sinusitis are clean, there are fewer |
| therefore spring is the worse time for sufferers. As | | | | chances of sinus allergy causes wrecking havoc on |
| the air is unusually dry in spring and the pollination | | | | his or her system. |
| season also starts, the pollen is carried easily by the | | | | The answer to the riddle of why certain sinus allergy |
| dry breeze. This way it enters the body with the air | | | | causes harm some people while leaving others |
| we breathe. For those who are prone to sinus | | | | unaffected lies in the hereditary make up of people. |
| allergies the trouble begins at this stage. The body | | | | It is generally seen that people whose parents |
| perceives of these sinus allergy causes as harmful | | | | suffered from allergy of a certain type are |
| substances and produces histamine to tackle their | | | | predisposed towards them. Even unlikely sources like |
| effects. The histamine causes itching in the eyes and | | | | milk and milk products act as sinus allergy causes in |
| a runny nose. | | | | some people with such hereditary make-up and can |
| Some people have been seen to come down with | | | | make them sick. |
| allergies when they come in contact with animals like | | | | Once the diagnosis of what causes allergy is a person |
| dogs or cats. For such individuals the sinus allergy | | | | is done effectively, allergy causes can be controlled |
| causes lie in the micro-organisms that are present in | | | | or even removed to restore normal breathing and life |
| the fur of these animals. Again it's not that the sinus | | | | to the sufferers. |
| allergy causes are common for everyone, while some | | | | |