Question

What are causes
of hay fever and what are its symptoms
​

Answer 1

Explanation:

But unlike a cold, hay fever isn't caused by a virus. Hay fever is caused by an allergic response to outdoor or indoor allergens, such as pollen, dust mites, or tiny flecks of skin and saliva shed by cats, dogs, and other animals with fur or feathers (pet dander).

Answer 2

Answer:

But unlike a cold, hay fever isn't caused by a virus. Hay fever is caused by an allergic response to outdoor or indoor allergens, such as pollen, dust mites, or tiny flecks of skin and saliva shed by cats, dogs, and other animals with fur or feathers (pet dander).

The symptoms of hay fever include:

1. frequent sneezing.

2. runny or blocked nose.

3. itchy, red or watery eyes (allergic conjunctivitis)

4. an itchy throat, mouth, nose and ears.

5. cough, caused by postnasal drip (mucus dripping down the throat from the back of the nose)

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