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Allergic rhinitis, commonly known as hay fever, is an inflammatory condition affecting the lining of the nose. It occurs when the immune system overreacts to airborne allergens like pollen, dust mites, or pet dander. When these allergens are inhaled, the body releases histamine, a chemical that triggers inflammation and irritation in the nasal passages and sinuses.
read more about allergic rhinitis ...There are two main types. Seasonal allergic rhinitis occurs during specific times of the year, usually spring, summer, or fall, and is primarily caused by outdoor allergens like tree, grass, or weed pollen. Perennial allergic rhinitis occurs year-round and is typically caused by indoor allergens such as dust mites, mold, cockroach debris, or animal dander.
Common symptoms include sneezing, a runny nose (rhinorrhea) with clear, thin mucus, a stuffy or congested nose, and an itchy nose, throat, and eyes. Many sufferers also experience a post-nasal drip and fatigue. These symptoms can range from a minor annoyance to a condition that significantly impacts daily life and sleep.
Diagnosis usually begins with a doctor reviewing your symptoms and medical history. To confirm the specific triggers, an allergist may perform a skin prick test, where small amounts of common allergens are pricked into the skin. If a person is allergic, a small red bump (wheal) will appear at the site of the prick.
Treatment focuses on avoidance and medication. Avoidance means reducing exposure to known triggers (e.g., using air purifiers, washing bedding frequently). Medications include nasal corticosteroid sprays (to reduce inflammation), oral antihistamines (to block the histamine response), and decongestants (to relieve stuffiness).
Is it possible to develop allergic rhinitis as an adult?
Yes. While it often begins in childhood, it is possible for individuals to develop new allergies at any point in their life due to changes in environment or immune system sensitivity.
Can allergic rhinitis lead to sinus infections?
Yes. The inflammation and swelling caused by rhinitis can block the sinus drainage pathways, creating an environment where bacteria can multiply, leading to a secondary bacterial sinus infection (sinusitis).
Does moving to a different climate help cure allergies?
Moving may temporarily relieve symptoms if you leave a specific local allergen behind. However, new allergens often exist in the new location, and a person may develop sensitivities to them over time.