A seasonal allergy is an allergic air purifiers for allergies reaction that starts and it is present just for that particular season. This term is often used interchangeably with allergies to pollen, also called pollinosis, or, more commonly, hay fever. Grass allergy is usually directly connected to hay fever, as a consequence of their symptoms and causes are somehow similar to every other. Even nasal sprays made for seasonal allergy have unwanted effects and can occasionally do more harm than good to people using them.
"The explanation", concludes, "lies inside the influence of meteorological variables: the occurrence of precipitation (prior towards the pollen season) conditions high concentrations of pollens when precipitation stops, with hot days and windy spring, around the contrary, one year dry conditions a less intense spot pollen, particularly plant more understanding of not enough water, such as grasses". When the symptoms are too severe, it may develop into asthma. Plants that are pollinated with all the assistance of insects, such as dandelions, do not cause seasonal allergies.
There may also be some wheezing along with a chronic cough may develop. If you've a pet, ensure you wash it first before letting it come inside the house since pollen from plants can easily attach themselves to animal fur.