Understanding Allergic Rhinitis: Symptoms and Diagnostic Tests

Allergic rhinitis, or hay fever, is a common condition with symptoms like sneezing and runny nose. Learn about its symptoms and the lab tests used for diagnosis.

Sep 1, 2026 3 min read

Allergic rhinitis, commonly known as hay fever, is an allergic reaction that affects the nose. It occurs when your immune system overreacts to allergens like pollen, dust mites, or pet dander. If you experience symptoms such as sneezing, a runny nose, or itchy eyes, understanding the underlying causes and the tests available for diagnosis can help you manage this condition more effectively.

What is Allergic Rhinitis?

Allergic rhinitis is a condition where the inside of your nose becomes inflamed due to an allergic reaction. This inflammation is typically caused by allergens, which are substances that trigger an allergic response. Common allergens include pollen from trees, grasses, and weeds, as well as dust mites, mold, and animal dander. These allergens can cause symptoms that range from mild to severe, impacting your quality of life.

Have your own lab results? Upload your report and get a clear, private AI explanation in minutes - free, in English, Russian or Hebrew.
Analyze my results

Symptoms of Allergic Rhinitis

The symptoms of allergic rhinitis can vary from person to person but often include:

  • Sneezing
  • A runny or stuffy nose
  • Itchy or watery eyes
  • Itchy throat or ears
  • Coughing
  • Fatigue These symptoms can be seasonal, often occurring in spring or fall when pollen counts are high, or perennial, happening year-round due to indoor allergens like dust mites or pet dander.

Diagnostic Tests for Allergic Rhinitis

If you suspect you have allergic rhinitis, a healthcare provider may recommend specific tests to confirm the diagnosis. These tests include:

Skin Prick Test

In this test, small amounts of allergens are introduced into your skin, usually on your forearm or back. If you're allergic, a small bump will appear at the test site. This test is quick and provides results within minutes.

Specific IgE Blood Test

This blood test measures the level of specific antibodies, known as immunoglobulin E (IgE), in your blood. High levels of IgE indicate an allergic response to certain allergens. This test can be useful if you have a skin condition or cannot stop taking antihistamines.

Nasal Smear

A nasal smear involves taking a sample of your nasal mucus to check for the presence of certain cells, such as eosinophils, which are often higher in people with allergies. This test helps differentiate between allergic and non-allergic rhinitis.

Treatment Options

While there is no cure for allergic rhinitis, several treatments can help manage symptoms. These include:

  • Antihistamines: Medications that reduce or block histamines, the chemicals your immune system releases during an allergic reaction.
  • Nasal corticosteroids: Sprays that reduce inflammation in your nasal passages.
  • Decongestants: Medications that relieve a stuffy nose.
  • Immunotherapy: Allergy shots that gradually desensitize your immune system to specific allergens.

Frequently Asked Questions

What triggers allergic rhinitis? Allergic rhinitis is triggered by allergens such as pollen, dust mites, mold, and pet dander. Each person's triggers can be different, and identifying them is key to managing symptoms.

Can allergic rhinitis be cured? There is no cure for allergic rhinitis, but symptoms can be managed effectively with medication and lifestyle changes.

Is allergic rhinitis the same as a cold? No, allergic rhinitis is caused by an allergic reaction, while a cold is caused by a viral infection. They may have similar symptoms, but their causes and treatments differ.

When to See a Doctor

You should consider seeing a doctor if your symptoms are severe, persist for a long time, or do not improve with over-the-counter medications. Additionally, if you experience difficulty breathing or suspect you have other complications such as sinus infections, seek medical advice.

This article is for informational purposes only. Always consult your healthcare provider for advice related to your health and medical conditions.

Read this in another language

Doctor reviews: 0 - pending

This explainer is queued for our doctor panel and hasn't been individually reviewed yet. It's general information, drawn from standard references - always confirm decisions with your own clinician.

Have your own lab results? Upload your report and get a clear, private AI explanation in minutes - free, in English, Russian or Hebrew.
Analyze my results