When to See an Allergist

Common reasons people decide to see an allergist include recurring sinus problems, unexplained skin reactions, symptoms after eating certain foods, breathing issues that may be allergy-related, or daily dependence on antihistamines.

These are the kinds of patterns that often signal it's time to move beyond over-the-counter solutions and talk with a specialist. Below, we'll walk through what allergists actually do, the signs that suggest you might benefit from seeing one, and what to expect at your first appointment.

Your Symptoms Keep Coming Back

If you're dealing with the same congestion, itchy eyes, or sneezing every spring (or every time you visit a friend with a cat), that's a clue. Symptoms that follow a predictable pattern often point to an underlying allergic trigger. An allergist can help identify what's causing the reaction so you're not just treating symptoms over and over again.

Over-the-Counter Allergy Medicine Is Not Enough

Antihistamines and nasal sprays from the pharmacy work well for a lot of people. But if you're taking them daily and still feeling miserable, or layering multiple medications just to get through the day, there may be better options. An allergist can look at what you've already tried and recommend treatments that target your specific triggers more effectively.

You Are Not Sure What Is Causing Your Symptoms

Sometimes the trigger isn't obvious. You might feel fine at home but struggle at work, or notice symptoms that don't follow a clear seasonal pattern. Allergy testing can help pinpoint triggers you may not have considered, like dust mites, mold spores, pet dander, or an airborne pollen. Testing can also determine whether an unusual reaction to a food or medication is something to be concerned about.

You Have Recurring Sinus Problems

Frequent sinus infections, chronic congestion, or sinus headaches that keep coming back may have an allergic component. When allergies cause ongoing inflammation in the nasal passages, it creates an environment where infections are more likely to develop. Treating the underlying allergy can often reduce how often sinus problems occur.

You Have Asthma or Breathing Symptoms

Allergists are the specialists trained to diagnose and treat all types of asthma including exercise induced, adult-onset, and non-allergic asthma. However, the most common form of asthma is allergic asthma.

If you experience wheezing, shortness of breath, chest tightness, or a cough that won't quit, especially during certain seasons or around specific triggers, an allergist can evaluate whether allergies are playing a role. In many cases, better allergy control leads to better asthma control.

You Have Skin Reactions or Recurring Rashes

Chronic hives, eczema flare-ups, or contact dermatitis that keeps coming back may be driven by allergic triggers. An allergist can perform patch testing or other evaluations to figure out what's causing your skin to react and recommend targeted treatments.

Your Child Has Persistent Allergy Symptoms

Children with ongoing sneezing, congestion, skin rashes, or suspected food allergies often benefit from early evaluation. Identifying triggers early can help prevent symptoms from interfering with sleep, school, and everyday activities. Some research also suggests that early treatment may reduce the likelihood of developing asthma later in childhood.

When Symptoms May Need More Urgent Care

Untreated allergies can do more than make you miserable, they can contribute to asthma, chronic sinusitis, recurrent infections, poor sleep, nasal polyps, and reduced quality of life. However, for individuals with a known or suspected food, insect sting, or medication allergy, failing to recognize certain symptoms increases the risk of severe allergic reactions, including anaphylaxis.
Prompt diagnosis, avoidance strategies, and carrying epinephrine when prescribed are essential.
Watch for:

Difficulty breathing or swallowing
Hives or rash
Swelling of the lips, tongue, or throat
Dizziness, rapid heartbeat, or feeling faint after exposure to a potential allergen
Vomiting and/or stomach cramps after ingesting possible allergen

Symptoms can range from mild to severe, but just because an initial reaction causes few problems doesn’t mean that all reactions will be similar. The reaction may be mild on one occasion, yet may cause more severe symptoms at another time.

If you've ever experienced a significant reaction, an allergist can help you identify the trigger and develop a plan, including an emergency action plan designed to keep you safe in the event of an exposure.

What Does an Allergist Do?

An allergist is a doctor who specializes in diagnosing and treating allergies, asthma, and conditions related to the immune system. To become board-certified, an allergist completes medical school, a three-year residency in internal medicine or pediatrics, and then two additional years of fellowship training focused specifically on allergy and immunology.

Your primary care doctor can often help with mild or short-term allergy symptoms. But when symptoms stick around, keep coming back, or don't respond well to over-the-counter medications, an allergist has the specialized training to dig deeper.

For allergy testing, allergists use diagnostic tools like skin prick tests, blood tests, and pulmonary function tests to identify exactly what's triggering your symptoms, whether that's tree pollen, pet dander, dust mites, certain foods, or something else entirely. From there, they create a treatment plan tailored to your specific triggers and daily life, which might include prescription medications, allergy shots, allergy drops, or newer biologic therapies for more complex cases.

Allergist vs. Immunologist: What Is the Difference?

You'll often see these two terms used together, and that's because most allergists are also trained as immunologists. The full title is "allergist-immunologist," which means the physician specializes in both allergic conditions and disorders of the immune system.

In day-to-day practice, an allergist-immunologist treats a wide range of conditions:

Allergic rhinitis (hay fever): Sneezing, congestion, and itchy eyes triggered by pollen, dust, or pet dander
Asthma: Particularly when triggered or worsened by allergens
Food allergies: Including evaluation for anaphylaxis risk and guidance on avoidance
Skin conditions: Such as eczema, hives, and contact dermatitis
Drug allergies: Reactions to medications like penicillin or sulfa drugs
Immune deficiency disorders: Conditions that lead to frequent or unusually severe infections

If you're not sure whether your symptoms fall into the "allergy" category or the "immune" category, an allergist-immunologist can help sort that out during your evaluation.

What to Expect at Your First Allergy Appointment

Knowing what happens during your first visit can make the whole process feel less intimidating. Here's a general sense of how appointments typically go.

Symptom and Medical History Review

Your allergist will start by asking detailed questions about your symptoms: when they started, how often they happen, what seems to make them better or worse, and whether you've noticed any patterns. They'll also want to know about your medical history, any family history of allergies or asthma, and what medications you're currently taking.

This conversation is one of the most important parts of the visit. The more specific you can be about your symptoms and when they occur, the easier it is for your allergist to narrow down potential triggers.

Physical Evaluation and Next-Step Recommendations

After reviewing your history, your allergist will do a physical exam, often focusing on your nose, throat, skin, and lungs. This helps them see how your body is responding and whether there are signs of allergic inflammation or other issues.

Based on their findings, they'll talk with you about appropriate testing and work with you to develop a treatment plan to control your symptoms and improve your quality of life.

Allergy Testing

If your allergist recommends testing, the most common method is a skin prick test. This involves placing small amounts of common allergens on your skin (usually your forearm or back) and watching for reactions. Results are typically available within 15 to 20 minutes.

In some situations, blood tests (called specific IgE tests) may be used instead, for example, if you're taking medications that could interfere with skin testing or if you have a skin condition that makes testing difficult.

How an Allergist Can Help You Find the Right Treatment Plan

One of the biggest advantages of seeing a specialist is getting a plan built around your specific triggers and lifestyle, not a generic approach.

Depending on your situation, treatment options might include:

Avoidance strategies: Practical guidance on reducing exposure to your specific triggers at home, work, or school
Prescription medications: Antihistamines, nasal sprays, or inhalers that may work better than what's available over the counter
Allergy immunotherapy: Allergy shots or sublingual drops that gradually reduce your sensitivity to allergens over time
Biologic therapies: Advanced medications like Dupixent or Nucala for severe asthma, eczema, or chronic sinusitis that hasn't responded to other treatments

Your allergist will work with you to figure out which combination makes the most sense based on your symptoms, your triggers, and how your condition affects your daily life.

Find an Allergy Doctor Near You in Georgia

For patients in the Atlanta metro area, the Center for Allergy and Asthma of Georgia offers board-certified allergists at nine convenient locations: Carrollton, Villa Rica, Newnan, Smyrna/Vinings, Hiram, Peachtree City/Fayetteville, Acworth/Kennesaw, Griffin, and Douglasville.

Every physician on our team has completed specialized fellowship training in allergy and immunology and is board-certified in the field. We also offer same-day and next-day appointments, extended hours, and telemedicine visits to make specialty care more accessible, wherever you are in the metro area.

Schedule an Appointment With Center for Allergy & Asthma of Georgia

If your symptoms have been lingering, recurring, or getting in the way of daily life, talking with a board-certified specialist can help you get answers and relief.

Book an Appointment

Frequently Asked Questions About Seeing an Allergist

When should I see an allergist?

Consider seeing an allergist if your symptoms last more than a few weeks, keep coming back, or don't improve with over-the-counter medications. Recurring sinus infections, unexplained skin reactions, or breathing problems that may be allergy-related are also good reasons to schedule an evaluation.

Should I see an allergist or a primary care doctor first?

Either approach works. Some patients start with their primary care doctor and get a referral, while others book directly with an allergist. Many insurance plans allow you to see a specialist without a referral, though it's worth checking your specific coverage beforehand.

Can an allergist help with sinus problems?

Yes. Allergists frequently treat patients with chronic sinusitis, sinus headaches, and recurring sinus infections, especially when allergies are contributing to the problem. Addressing the underlying allergic inflammation often helps reduce how often infections occur.

Can an allergist help with asthma?

Absolutely. Allergists are trained to diagnose and manage asthma, particularly when it's triggered or worsened by allergens. They can help identify your triggers, optimize your medications, and develop a plan to reduce flare-ups.

Do I need allergy testing?

Not everyone does. Your allergist will recommend testing if it would help clarify your diagnosis or guide treatment decisions.

What should I bring to my first allergy appointment?

Bring a list of your current medications (including over-the-counter products), any previous allergy test results, and notes about your symptoms, including when they occur and what seems to trigger them. If you have an inhaler or epinephrine auto-injector, bring those as well.

Does CAAG see children for allergies?

Yes. The Center for Allergy and Asthma of Georgia provides pediatric allergy services for infants, children, and adolescents. Our board-certified allergists have experience evaluating and treating childhood allergies, asthma, eczema, and food allergies.