Hay fever, also known as allergic rhinitis, is the most common type of respiratory allergy, affecting millions of people worldwide.

Common allergens that cause respiratory allergies include pollen, dust mites, pet dander, mold, and certain foods.

Common symptoms of respiratory allergies include sneezing, runny nose, itchy eyes, congestion, and wheezing.

A skin prick test is commonly used to diagnose respiratory allergies by exposing the skin to small amounts of suspected allergens and observing the reaction.

The primary goal of treatment for respiratory allergies is to reduce symptoms and improve the quality of life for individuals affected by the condition.

Nasal corticosteroids are commonly used to relieve nasal congestion and inflammation caused by respiratory allergies.

Immunotherapy involves exposing individuals to small amounts of allergens over time to help their immune system become less sensitive to them.

Asthma is a type of respiratory allergy characterized by difficulty breathing, wheezing, coughing, and chest tightness.

Dust mites are microscopic creatures that live in household dust and can trigger asthma attacks and other respiratory allergy symptoms.

The most effective way to prevent respiratory allergies is to avoid exposure to known allergens as much as possible.

Nausea is not a common symptom of respiratory allergies. Common symptoms include sneezing, runny nose, and itchy eyes.

Antihistamines work by blocking the release of histamine, a chemical that is released by the body during an allergic reaction.

Eczema is a skin condition, not a respiratory allergy. Respiratory allergies include hay fever, asthma, and food allergies.

Anaphylaxis is a severe allergic reaction that can be life-threatening and requires immediate medical attention.

Sunlight is not a common allergen for individuals with respiratory allergies. Common allergens include pollen, dust mites, and pet dander.