Allergic rhinitis, commonly known as hay fever, affects millions of people worldwide, causing sneezing, congestion, and itchy eyes that can significantly disrupt daily life. Managing this condition requires a thoughtful combination of avoiding triggers, using medications to control symptoms, and sometimes exploring advanced therapies to help the immune system better tolerate allergens.

Finding Relief: Treatment Goals for Allergic Rhinitis

When someone struggles with allergic rhinitis, the main goal of treatment is to reduce the uncomfortable symptoms that can make everyday activities feel difficult. These symptoms include frequent sneezing, a runny or blocked nose, itchy eyes that water constantly, and sometimes headaches or fatigue that result from poor sleep quality. The treatment approach depends on how severe the symptoms are, how often they occur, and how much they interfere with a person’s ability to work, attend school, or enjoy recreational activities.^[1]

Treatment for allergic rhinitis is not one-size-fits-all. Medical professionals consider whether symptoms happen only during certain seasons—such as spring when tree pollen counts soar, or fall when ragweed is abundant—or whether they persist throughout the entire year due to indoor allergens like dust mites or pet dander. Some people experience both patterns, with year-round symptoms that worsen during peak pollen seasons. The severity of symptoms also matters greatly: mild symptoms that barely affect quality of life may require only simple interventions, while moderate to severe symptoms that disrupt sleep, work performance, or school attendance often need more intensive treatment strategies.^[2]

Standard treatments approved by medical societies have been used successfully for many years to help people manage allergic rhinitis. These established approaches include medications available at pharmacies, lifestyle changes to avoid allergens, and in some cases, immunotherapy to help the body become less reactive to triggers over time. At the same time, researchers continue to investigate new therapies through clinical trials, seeking innovative ways to provide relief for people whose symptoms do not respond well to traditional treatments or who want alternatives to long-term medication use.^[3]

The relationship between allergic rhinitis and other health conditions also influences treatment decisions. Many people with allergic rhinitis also have asthma, and controlling nasal allergy symptoms can help improve asthma control. Similarly, allergic rhinitis can contribute to sinus infections, ear problems, and sleep disturbances. Addressing the nasal allergy symptoms can therefore have positive effects on overall health and wellbeing, making effective treatment an important priority.^[4]

Standard Treatment Approaches for Symptom Control

The foundation of allergic rhinitis treatment begins with identifying and avoiding the specific allergens that trigger symptoms. While it may be impossible to completely avoid all allergens, taking practical steps can significantly reduce exposure. For people allergic to pollen, this might mean keeping windows closed during high pollen days, wearing sunglasses outdoors to protect eyes, and showering before bed to remove pollen from hair and skin. For those sensitive to indoor allergens, using protective covers on mattresses and pillows, washing bedding frequently in hot water, vacuuming with HEPA filters (high-efficiency particulate air filters that trap tiny particles), and keeping pets out of bedrooms can all help minimize symptoms.^[5]

When avoidance measures alone are not enough, medications become the next step. Intranasal corticosteroids—steroid sprays applied directly into the nostrils—are considered the most effective treatment for allergic rhinitis symptoms. These medications work by reducing inflammation inside the nasal passages, which helps relieve congestion, runny nose, sneezing, and itching. Common active substances in this category include beclomethasone, fluticasone propionate, fluticasone furoate, mometasone, budesonide, and triamcinolone. Unlike some other medications, intranasal corticosteroids can take effect within hours, but they work best when used regularly over time rather than only when symptoms are present. Clinical guidelines from medical organizations recommend these sprays as first-line therapy for people with persistent symptoms that affect quality of life.^[9]

The benefits of intranasal corticosteroids extend beyond just reducing nasal symptoms. They can also improve eye symptoms associated with allergic rhinitis, help with postnasal drip (the sensation of mucus dripping down the back of the throat), and reduce sinus pressure. These medications are generally safe for long-term use when used as directed, though some people may experience minor side effects such as nasal dryness, nosebleeds, or an unpleasant taste. Using the correct technique—pointing the spray away from the nasal septum (the wall dividing the nostrils)—can help minimize these side effects.^[10]

Antihistamines represent another important category of allergic rhinitis medications. When allergens enter the nose, the body releases a chemical called histamine, which causes many allergy symptoms. Antihistamines block the effects of histamine, providing relief from sneezing, itching, and runny nose. These medications come in several forms: pills taken by mouth, nasal sprays, and eye drops. Oral antihistamines are divided into two generations: first-generation antihistamines like diphenhydramine can cause significant drowsiness and impair performance, while second-generation antihistamines such as cetirizine, loratadine, fexofenadine, and desloratadine are less likely to cause sedation (though cetirizine may still cause some drowsiness in certain people). Second-generation antihistamines are preferred because they allow people to continue their daily activities without feeling excessively tired.^[9]

Intranasal antihistamines, which deliver antihistamine medication directly to the nasal passages through a spray, can provide rapid relief from symptoms. Azelastine is the most common intranasal antihistamine available. While these sprays work quickly—often within minutes—they are generally considered less effective than intranasal corticosteroids and may cause an unpleasant taste or drowsiness. Some products combine an intranasal antihistamine with an intranasal corticosteroid in a single spray, offering the benefits of both types of medication.^[9]

Other medications used for allergic rhinitis include leukotriene receptor antagonists, such as montelukast, which block inflammatory chemicals called leukotrienes that contribute to nasal congestion and other symptoms. These are typically taken as pills once daily. Intranasal cromolyn is another option that prevents the release of histamine and other inflammatory substances, though it requires frequent dosing throughout the day and is generally less effective than intranasal corticosteroids. Intranasal anticholinergics, like ipratropium, specifically target runny nose by blocking the nerve signals that trigger mucus production, but they do not help with other symptoms like sneezing or itching.^[9]

For people with moderate to severe allergic rhinitis that does not respond adequately to intranasal corticosteroids alone, healthcare providers often recommend combining medications. A common approach is to use an intranasal corticosteroid regularly and add an oral antihistamine during times when symptoms are particularly bothersome. This combination addresses different aspects of the allergic response and can provide more complete symptom relief than either medication alone.^[15]

The duration of treatment varies depending on the type of allergic rhinitis. For seasonal allergies, treatment often begins a week or two before the expected pollen season starts and continues throughout the season. For year-round allergies, ongoing treatment may be necessary to maintain symptom control. Regular follow-up with a healthcare provider helps ensure that the treatment plan remains effective and allows for adjustments based on changing symptoms or circumstances.^[7]

Non-pharmacologic approaches also play an important role in managing allergic rhinitis. Nasal saline irrigation—rinsing the nasal passages with a saltwater solution—helps remove allergens, mucus, and inflammatory substances from the nose. This can be done using a squeeze bottle, neti pot, or pre-filled saline spray. Studies have shown that nasal irrigation can improve symptoms and may reduce the need for medications. The solution can be purchased at pharmacies or prepared at home using distilled or previously boiled water mixed with salt and a pinch of baking soda. It is important to use clean, safe water to avoid introducing harmful bacteria or other microorganisms into the nasal passages.^[10]

Advanced Treatment: Immunotherapy

For people whose allergic rhinitis symptoms remain troublesome despite medications and allergen avoidance, or for those who prefer a longer-lasting solution that addresses the underlying cause rather than just managing symptoms, immunotherapy offers an alternative approach. Immunotherapy works by gradually exposing the immune system to small amounts of the allergen, helping the body become less reactive over time. This process is sometimes described as “retraining” the immune system to tolerate substances that previously triggered allergic reactions.^[9]

There are two main forms of immunotherapy available. Subcutaneous immunotherapy, commonly called allergy shots, involves regular injections of allergen extract under the skin. Treatment typically begins with a build-up phase, during which injections are given once or twice weekly with gradually increasing allergen doses. Once the maintenance dose is reached, injections continue less frequently—usually every two to four weeks. The entire course of treatment generally lasts three to five years. Studies have shown that allergy shots can significantly reduce symptoms and medication needs, and the benefits often persist for years after treatment ends.^[1]

Sublingual immunotherapy offers a needle-free alternative. With this approach, tablets or liquid drops containing allergen extract are placed under the tongue daily, where they dissolve and are absorbed. Like allergy shots, sublingual immunotherapy requires consistent use over several years to achieve lasting results. This treatment can be done at home after the first dose is supervised by a healthcare provider, making it more convenient for some people. However, sublingual immunotherapy is currently available for only certain allergens, primarily grass pollen, ragweed pollen, dust mites, and some tree pollens.^[15]

Immunotherapy is particularly beneficial for people who have not achieved adequate symptom control with medications alone, those who experience troublesome side effects from medications, individuals who wish to avoid long-term medication use, and people with both allergic rhinitis and allergic asthma. Because immunotherapy addresses the underlying immune response rather than just symptoms, it can prevent the development of new allergies and may reduce the risk of asthma in people with allergic rhinitis. However, immunotherapy requires a significant time commitment and may not be appropriate for everyone. Healthcare providers carefully evaluate candidates to ensure they are good matches for this treatment approach.^[9]

Exploring New Therapies Through Clinical Research

While standard treatments work well for many people with allergic rhinitis, researchers continue to investigate innovative therapies that could offer additional options for symptom control or potentially modify the disease process more effectively. Clinical trials play a crucial role in testing new medications and treatment approaches to determine whether they are safe and effective.

One area of investigation involves biologic therapies—medications made from living cells that target specific parts of the immune system involved in allergic reactions. Omalizumab is a monoclonal antibody that binds to immunoglobulin E (IgE), the antibody that triggers allergic reactions. By preventing IgE from attaching to immune cells, omalizumab can reduce allergic responses. This medication is currently approved for treating moderate to severe allergic asthma and chronic hives, and some studies have explored its use for poorly controlled allergic rhinitis, though this remains an off-label application. Research continues to evaluate whether biologic therapies like omalizumab could benefit people with severe allergic rhinitis that does not respond to conventional treatments.^[13]

Another biologic under investigation for allergic conditions is dupilumab, which blocks the activity of interleukin-4 and interleukin-13—proteins that play key roles in allergic inflammation. Dupilumab is already approved for treating moderate to severe atopic dermatitis (eczema), asthma, and nasal polyps. Because allergic rhinitis shares similar inflammatory pathways with these conditions, researchers are interested in whether dupilumab might also help people with severe allergic rhinitis, particularly those who have multiple allergic conditions simultaneously.^[13]

Researchers are also exploring modifications to existing immunotherapy approaches to make them more effective or convenient. Some studies investigate whether combining allergen immunotherapy with immune-modulating substances could enhance the immune system’s tolerance to allergens while reducing the time needed to achieve results. Others examine whether different dosing schedules or delivery methods could improve outcomes or reduce side effects. Rush immunotherapy, for example, involves giving multiple escalating doses of allergen in a single day or over a few days under close medical supervision, allowing people to reach the maintenance dose much faster than with traditional schedules.^[1]

The development of new antihistamines and corticosteroids with improved properties continues as well. Researchers work to create medications that provide effective symptom relief with even fewer side effects, require less frequent dosing, or work through novel mechanisms. Some investigations focus on understanding the genetic and molecular factors that make certain people more susceptible to allergies, with the hope that this knowledge could lead to more personalized treatment approaches tailored to an individual’s specific immune profile.^[11]

Clinical trials for allergic rhinitis treatments are conducted at medical centers and research institutions throughout the world, including locations in the United States, Europe, and other regions. Eligibility for these trials typically depends on factors such as the severity of symptoms, whether standard treatments have been tried, the presence of other medical conditions, and age. People interested in participating in research studies can search for ongoing clinical trials through registries maintained by government health agencies and academic medical centers. Participation in clinical trials contributes to the advancement of medical knowledge while potentially providing access to new treatment options not yet widely available.^[3]

Most common treatment methods

• Intranasal Corticosteroids
  • Beclomethasone, fluticasone propionate, fluticasone furoate, mometasone, budesonide, and triamcinolone sprays that reduce inflammation in nasal passages
  • Considered the most effective treatment for allergic rhinitis symptoms
  • Work best when used regularly rather than only during symptoms
  • Can relieve congestion, runny nose, sneezing, itching, and eye symptoms
• Antihistamines
  • Oral second-generation antihistamines including cetirizine, loratadine, fexofenadine, and desloratadine
  • Intranasal antihistamine sprays such as azelastine
  • Block histamine to reduce sneezing, itching, and runny nose
  • Second-generation options cause less drowsiness than older antihistamines
• Allergen Avoidance
  • Keeping windows closed during high pollen periods
  • Using HEPA filters in vacuums and air conditioning systems
  • Washing bedding regularly in hot water and using protective covers
  • Limiting outdoor activities when pollen counts are elevated
• Nasal Saline Irrigation
  • Rinsing nasal passages with saltwater solution using squeeze bottles or neti pots
  • Removes allergens, mucus, and inflammatory substances
  • Can be used alone or combined with medications
  • Safe for regular use when prepared with distilled or properly boiled water
• Immunotherapy
  • Subcutaneous immunotherapy (allergy shots) given as regular injections over several years
  • Sublingual immunotherapy (tablets or drops under the tongue) taken daily at home
  • Gradually exposes immune system to allergens to build tolerance
  • Can provide lasting relief even after treatment ends
• Other Medications
  • Leukotriene receptor antagonists like montelukast taken as daily pills
  • Intranasal cromolyn to prevent release of inflammatory substances
  • Intranasal anticholinergics such as ipratropium for runny nose
  • Decongestants for short-term relief of nasal congestion