A member asked:

Qhy does air pollution cause headaches in some people?

A doctor has provided 1 answer

Allergies: Pollution may trigger an allergic response. If the nasal passages respond with swelling and nasal discharge it can lead to a sinus headache. It is important to keep the nasal passages clean by using a saline nasal spray to remove allergens and prevent progression to a sinus infection.

Answered 10/23/2017

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