Allergic Rhinitis Basics

Click a card to learn more about allergic rhinitis.

How it develops

Allergic rhinitis is a condition in which the immune system overreacts to a specific substance (allergen), causing inflammation in the nasal lining. When an allergen contacts the nasal lining, it triggers the release of histamine and other substances, causing sneezing, a runny nose, and nasal congestion.

Common allergen triggers

Pollen, dust mites, pet dander and fur, and mold spores are known to be common triggers of allergic rhinitis.

How symptoms differ from a cold

A cold usually resolves on its own within one to two weeks and may come with fever or body aches, while allergic rhinitis recurs repeatedly during a particular season or environment and tends to feature clear runny nose, itching, and repeated sneezing.

Seasonal vs. perennial rhinitis

Seasonal allergic rhinitis worsens mainly during a specific season when pollen is airborne, while perennial allergic rhinitis, caused by indoor allergens like dust mites, can produce symptoms year-round regardless of season.

Reducing symptoms through environmental control

Ventilating and cleaning indoor spaces frequently, washing bedding often in hot water, and reducing outdoor time or wearing a mask on high-pollen days are generally considered helpful for easing symptoms.

When to see a specialist

If symptoms are severe enough to disrupt daily life or persist for a long time, it is worth consulting an ENT or allergy specialist for testing to identify the specific allergen and appropriate treatment.

What allergic rhinitis is

Allergic rhinitis is easily confused with a cold because the symptoms are similar, but there are clear differences in cause and duration. This page provides general health information and is not a substitute for diagnosis or treatment — if symptoms recur, be sure to consult a specialist.

Its link to migraines

Allergic rhinitis with significant sinus pressure or congestion can produce symptoms that overlap with migraine, so if headaches occur alongside it, it is worth considering both conditions together.

Frequently Asked Questions

Does allergic rhinitis go away on its own with age?

It varies by individual — some people continue to have symptoms into adulthood, or develop new symptoms later in life, so it's hard to generalize.

Do I really need an allergy test?

Knowing exactly which allergen is responsible can help with avoidance and management, so if symptoms recur, it's worth considering an allergy test.