Question

give any two allergic diseases of pollen grain
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Answer 1

Answer:

many diseases occur but dermatitis and allergic rhinitis etc are diseases caused by pollen grains

Answer 2

Answer:

Hay fever(allergic rhinitis) or pollinosis, hives, asthma,etc.

Explanation:

Pollen is one of the most common triggers of seasonal allergies. Many people know pollen allergy as “hay fever.” Experts usually refer to pollen allergy as “seasonal allergic rhinitis.” Each spring, summer and fall, plants release tiny pollen grains to fertilize other plants of the same species.

Symptoms: Itching throat,runny nose,watery eyes.

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Hope it helped (◕ᴗ◕✿)