Allergic Rhinitis and Hay Fever: Symptoms, Triggers, and Treatment Options

Key Points

• Allergic rhinitis, commonly called hay fever, is an immune response to airborne allergens that causes nasal congestion, sneezing, runny nose, and itchy eyes
• In South Florida, allergic rhinitis is often a year-round condition rather than a seasonal one due to the region's prolonged pollen seasons and high humidity
• Both seasonal and perennial (year-round) forms of allergic rhinitis are treatable with a combination of medications and allergen immunotherapy
• Untreated allergic rhinitis can contribute to chronic sinusitis, ear infections, poor sleep, and worsened asthma
• Dr. Jeffrey Jacobs offers comprehensive evaluation and treatment for allergic rhinitis in Jupiter, FL

Medically reviewed by: Dr. Jeffrey Jacobs, MD | Board-Certified Allergist & Immunologist | August 2026

Allergic rhinitis is one of the most common chronic conditions in the United States, affecting tens of millions of people. Most people know it by its informal name: hay fever. But that name is a little misleading. Hay fever has nothing to do with hay, rarely causes a fever, and in South Florida, it is far from a seasonal problem. For many patients in Palm Beach County, it is a year-round reality that affects sleep, concentration, productivity, and quality of life in ways that are easy to underestimate.

If you have been living with a chronically stuffy nose, waking up congested every morning, or reaching for antihistamines more days than not, understanding what is actually driving those symptoms is the first step toward getting real relief.

What Is Allergic Rhinitis?

Allergic rhinitis is an inflammation of the nasal passages triggered by an immune response to airborne allergens. When you inhale something your immune system has identified as a threat, such as pollen, mold spores, dust mite particles, or pet dander, it releases chemicals including histamine that cause the lining of your nose to swell, produce excess mucus, and become irritated.

The result is the cluster of symptoms most people recognize: nasal congestion, a runny nose, sneezing, postnasal drip (mucus draining down the back of the throat), itchy or watery eyes, and an itchy nose or throat. Some patients also experience fatigue, reduced sense of smell, and headache or facial pressure from sinus congestion.

Allergic rhinitis is classified in two ways. Seasonal allergic rhinitis refers to symptoms that flare during specific pollen seasons. Perennial allergic rhinitis refers to symptoms that persist year-round, typically driven by indoor allergens like dust mites, pet dander, cockroach, or mold. Many patients have both, with a baseline of year-round symptoms that worsen during high pollen periods.

Why Allergic Rhinitis Is Especially Challenging in South Florida

Most people think of hay fever as a spring problem. In South Florida, that framework does not apply.

Palm Beach County has one of the longest effective pollen seasons in the country. Tree pollen begins in late winter and runs through spring. Grass pollen follows through early summer. Ragweed arrives in the fall. Subtropical plants like melaleuca, Brazilian pepper, and Australian pine release pollen on their own schedules throughout the year. Add in the region's persistently high humidity, which drives year-round dust mite and mold levels, and there is rarely a period when allergen counts are genuinely low.

For patients who moved to South Florida from a northern climate and expected their allergies to improve in the warm weather, this is often a surprise. The allergens here are different, the seasons overlap and extend, and the humidity adds a layer of indoor allergen exposure that does not let up. It is not uncommon for patients to develop new allergic sensitivities after moving here, particularly to subtropical plants they were never exposed to before.

How Allergic Rhinitis Affects More Than Your Nose

Allergic rhinitis is easy to dismiss as a minor annoyance. The research tells a different story.

Chronic nasal congestion disrupts sleep quality, often significantly. Patients with poorly controlled allergic rhinitis frequently report difficulty falling asleep, waking during the night, and daytime fatigue. Over time, disrupted sleep affects concentration, mood, and productivity in ways that extend well beyond the allergy symptoms themselves.

Untreated allergic rhinitis also contributes to other conditions. Chronic nasal inflammation can lead to chronic sinusitis, a persistent infection or inflammation of the sinus cavities that causes facial pain, pressure, and recurring sinus infections. In children, untreated allergic rhinitis is associated with recurrent ear infections and fluid behind the eardrum. For patients who also have asthma, poorly controlled allergic rhinitis is one of the most common reasons asthma remains difficult to manage. The upper and lower airways are connected, and inflammation in one tends to drive inflammation in the other.

What Are the Treatment Options?

The good news is that allergic rhinitis responds well to treatment, and there are several effective options depending on the severity of your symptoms and how much they are affecting your daily life.

Environmental control is always the starting point. Reducing exposure to your specific triggers, whether that means keeping windows closed during high pollen days, using allergen-proof covers on bedding to reduce dust mite exposure, running a HEPA air purifier, or addressing moisture issues that promote mold growth, can meaningfully reduce your symptom burden without medication.

Medications play an important role for most patients. Nasal corticosteroid sprays are the most effective class of medication for controlling allergic rhinitis symptoms and are considered the first-line treatment by most allergy guidelines. They reduce nasal inflammation directly and work best when used consistently rather than on an as-needed basis. Antihistamines help with sneezing, itching, and runny nose. Saline nasal rinses can help clear allergens and mucus from the nasal passages and are a useful complement to other treatments.

For patients whose symptoms are not adequately controlled with environmental measures and medication, or who want a longer-term solution that does not depend on daily medication, allergen immunotherapy is the most effective option available. Allergy shots work by gradually desensitizing the immune system to the specific allergens driving your symptoms. For many patients with allergic rhinitis, completing a full course of immunotherapy produces significant and durable symptom relief that persists well after treatment ends.

When Should You See an Allergist for Allergic Rhinitis?

Primary care physicians can diagnose and treat mild allergic rhinitis, and many patients manage their symptoms reasonably well with over-the-counter medications for a period of time. But there are clear situations where seeing a board-certified allergist adds significant value.

If your symptoms are present for more than a few months of the year, if over-the-counter medications are not providing adequate relief, if you are developing sinus infections repeatedly, if your sleep or daily functioning is being affected, or if you also have asthma or eczema, an allergist evaluation is the right next step.

The value of seeing a specialist is not just a prescription for a stronger medication. It is identifying exactly which allergens are driving your symptoms through food and environmental allergy skin testing or specific blood testing, building an accurate picture of your full allergy profile, and developing a treatment plan that addresses your specific situation rather than a generic one-size-fits-all approach.

In South Florida, where the allergen environment is unusually complex and year-round, that level of precision matters more than it might in a simpler climate.

Frequently Asked Questions

What is the difference between allergic rhinitis and a common cold?
The symptoms overlap significantly, which is why the two are frequently confused. The key differences are duration, pattern, and associated symptoms. A cold typically resolves within 7 to 10 days and may include fever and body aches. Allergic rhinitis symptoms persist as long as allergen exposure continues, often for weeks or months, and are more likely to include itchy eyes, nose, and throat. Symptoms that recur at the same time each year or that worsen in specific environments are strong indicators of allergic rhinitis rather than repeated colds.

Can allergic rhinitis develop in adulthood even if I never had allergies before?
Yes. Allergic sensitivities can develop at any age. It is particularly common for people who relocate to South Florida to develop new allergies to regional plants and allergens they were never exposed to in their previous climate. If you have developed nasal symptoms after moving to Palm Beach County, an allergy evaluation is worth pursuing.

Is it possible to have both seasonal and year-round allergic rhinitis at the same time?
Yes, and this is actually quite common, particularly in South Florida. Many patients have a baseline of perennial symptoms driven by indoor allergens like dust mites or pet dander, layered on top of seasonal pollen allergies that cause additional flares at certain times of year. Allergy testing identifies both components so treatment can address the full picture.

Can allergic rhinitis cause ear problems?
Yes. Nasal inflammation from allergic rhinitis can affect the Eustachian tube, the channel that connects the middle ear to the back of the throat. When this tube becomes blocked or swollen, it can cause ear fullness, muffled hearing, and in children, recurrent ear infections or fluid accumulation behind the eardrum. Treating the underlying allergic rhinitis often helps resolve these associated ear symptoms.

How is allergic rhinitis diagnosed?
Diagnosis is based on your symptom history combined with allergy testing. Skin prick testing or specific blood testing identifies which allergens your immune system is responding to. This information is essential for building an effective treatment plan, particularly if immunotherapy is being considered, since shots must be formulated to target your specific allergens.

Does moving away from South Florida cure allergic rhinitis?
Relocating to a different climate sometimes reduces symptoms if you are primarily sensitive to allergens that are specific to South Florida. However, many allergens like dust mites, certain molds, and common grasses are widespread, and patients often develop sensitivities to local allergens wherever they move. Immunotherapy is generally a more reliable long-term solution than relocation.

If nasal congestion, sneezing, or itchy eyes are a regular part of your life, you do not have to just manage through it. Call our Jupiter office at (561) 510-7232 or book online here to schedule an appointment with Dr. Jacobs.