Best Allergists in Long Island

Long Island Allergy Care

Allergy & Immunology department at Heart and Health Medical, Long Island’s trusted source for advanced allergy care. Our team, led by the highly experienced Dr. Louis Guida, is dedicated to providing top-tier allergy and asthma treatment. With over 30 years of specialized experience in this field, Dr. Guida’s expertise is a cornerstone of our exceptional care.

Why Choose Our Allergy & Immunology Services?

  • Decades of Specialized Experience: Dr. Guida brings over three decades of focused experience in allergy and immunology, offering patients both depth and breadth in their treatment.
  • Holistic Allergy Care: We address a wide range of allergic and immunological conditions, including asthma, sinusitis, otitis media (ear infections), urticaria (hives), dermatitis (itchy skin), and various environmental and food allergies.
  • Convenient Access to Care: With services available at all four Heart and Health Medical offices, expert allergy care is always within your reach.
  • Caring for All Ages: Our team is skilled in managing allergy and immunology issues across the lifespan, from infants to the elderly.


Allergy & Immunology of Heart and Health Medical

Allergy & Immunology Team at Heart and Health Medical

Dr. Louis Guida Jr.

Board Certified Allergist & Immunologist

Ilyse Febbraro

Board Certified Nurse Practitioner

Allergy & Immunology Specialists

The Role of Allergist/Immunologist

An allergist/immunologist is a physician with specialized training in the diagnosis, treatment, and management of allergies, asthma, and other related conditions. This expertise is crucial in effectively addressing a range of conditions that can affect different organ systems and age groups. Our allergist/immunologist, with their comprehensive knowledge, is exceptionally equipped to develop tailored treatment plans that address your unique needs and improve your overall well-being.

Our Commitment to Your Health

At Heart and Health Medical, we are committed to delivering high-quality care that improves your life. We understand the challenges that allergies can pose, and we’re here to provide the care and support you need to manage them effectively. Experience the difference that dedicated, patient-focused care can make at our Allergy & Immunology department.

Allergy & Immunology Articles

Allergy Symptoms, Diagnosis, Treatment & Management

Understanding Allergies: More Than Just a Seasonal Nuisance

Allergies are far more than a minor inconvenience; they’re among the most common chronic conditions across the globe. For some, allergies can be a source of continuous discomfort, while for others, they pose serious, life-threatening risks.

How Do Allergies Work? A Closer Look at Your Body’s Reactions

The story of an allergic reaction is a tale of mistaken identity by our immune system. Normally, our immune system is our body’s superhero, defending us against harmful invaders like bacteria and viruses. However, if you have an allergy, your immune system starts seeing everyday substances as threats.

  • The Allergen: This is the substance that, although typically harmless (like pollen, pet dander, or certain foods), is identified as an enemy.
  • The Overreaction: In response to this perceived threat, your immune system produces Immunoglobulin E (IgE) antibodies. Think of these as the body’s alarm system against the allergen.
  • The Reaction Cascade: These IgE antibodies trigger cells to release histamine and other chemicals. It’s this release that leads to the symptoms we recognize as an allergic reaction.

Common Symptoms: From Mild to Severe

Allergy symptoms can vary widely, but they often include sneezing, itching, nasal congestion, and rashes. In more severe cases, allergies can lead to anaphylaxis, a potentially life-threatening reaction that requires immediate medical attention.

Navigating Through Allergies

Understanding allergies is the first step in managing them effectively. If you suspect you have allergies, it’s important to consult with healthcare professionals. They can help identify the specific allergens affecting you and develop a management plan. This plan might include avoiding known allergens, taking medications to ease symptoms, or undergoing allergy shots (immunotherapy).

Diagnosing & Treating Allergy Symptoms

Allergy Symptoms

Suffering from allergy symptoms can be more than just an inconvenience; it can significantly impact your daily life. Whether it’s you or your child experiencing these symptoms, knowing when to seek help is crucial. This is where an allergist comes in – your expert in the world of allergies.

The Expertise of an Allergist

An allergist is not just a doctor; they are specialists with advanced training and experience in diagnosing and treating allergies. They have the skills to:

  • Accurately Diagnose: Pinpoint the cause of your symptoms.
  • Develop a Personalized Treatment Plan: Tailor a plan that not only treats your symptoms but also fits your lifestyle.
  • Provide Comprehensive Management: Offer advice on how to manage your allergies effectively, helping you lead a more comfortable life.

Recognizing Allergy Symptoms

Allergic reactions can affect various parts of the body, leading to a range of symptoms. Commonly affected areas include:

  • Nose, Lungs, and Throat: Leading to sneezing, coughing, or a sore throat.
  • Sinuses and Ears: Causing congestion or ear discomfort.
  • Stomach Lining: Resulting in food allergy symptoms.
  • Skin: Leading to rashes, hives, or eczema.

For some, allergies can also exacerbate asthma symptoms. In severe cases, an allergic reaction can escalate into anaphylaxis, a life-threatening condition that requires immediate medical attention.

Common Culprits: Allergens Around Us

Various allergens can trigger these reactions. The most common include:

  • Pollen: Often associated with seasonal allergies.
  • Dust: A year-round indoor allergen.
  • Food: Common triggers include nuts, dairy, and shellfish.
  • Insect Stings: Such as those from bees or wasps.
  • Animal Dander: Often from pets like cats and dogs.
  • Mold: Found in damp environments.
  • Medications/Drugs: Certain drugs can trigger allergic reactions.
  • Latex: Used in many medical and personal products.

Taking Control of Your Allergies

If you’re struggling with allergy symptoms, don’t let them control your life. An allergist can be your partner in identifying the cause of your discomfort and developing a strategy to manage it. With the right care, you can not only feel better but also live better, despite your allergies.

Alllergy testing

Diagnosing & Treating Asthma Symptoms

Asthma Symptoms

Asthma is more than just an occasional cough or wheeze. It’s a chronic condition that affects the airways in your lungs. These airways, or bronchial tubes, are your body’s pathways for air to enter and leave the lungs. For those with asthma, these pathways are in a constant state of inflammation.

What Happens During an Asthma Attack?

When you encounter an asthma trigger, your airways become even more swollen. The muscles around them tighten, making it harder for air to flow in and out of your lungs. This can lead to familiar asthma symptoms like coughing, wheezing, shortness of breath, and a feeling of tightness in the chest.

Exercise-Induced Asthma: Staying Active Safely

Many people find their asthma symptoms are linked to physical activity. This is known as exercise-induced asthma (EIA). But asthma shouldn’t sideline you from staying active and healthy. Dr. Guida can create a plan to manage your symptoms effectively during exercise, ensuring you can enjoy the benefits of physical activity without discomfort.

Understanding Your Asthma Risks

  • Family History: If allergies or asthma run in your family, you might be more likely to develop asthma.
  • Allergic Asthma: Many with asthma also have allergies. This type is known as allergic asthma.
  • Occupational Hazards: Asthma can be triggered by certain work environments, especially those with fumes, gases, dust, or other irritants.
  • Childhood Asthma: A significant number of children develop asthma, often before the age of five.

Managing Asthma: A Lifelong Commitment

While there’s no cure for asthma, it can be effectively managed once it’s properly diagnosed. An allergist, like Dr. Guida, is specially trained to diagnose and treat asthma, helping you maintain a high quality of life. With a tailored treatment plan, you can manage your condition and engage in everyday activities with ease.

Taking Control of Your Asthma

Living with asthma doesn’t mean living a limited life. With the right care and management strategies, you can lead a full and active life. Dr. Guida and our team are here to support you every step of the way in your asthma management journey.

Urticaria (Hives) Definition

Hives, or urticaria, can be both baffling and bothersome. They show up as red, itchy, and swollen patches on the skin, varying in size and can pop up anywhere on your body. One of the most perplexing aspects of hives is their sudden appearance, often leaving you wondering what triggered them.

Why Do Hives Occur?

While hives can be a result of an allergic reaction to foods, medications, or other substances, they have a variety of other triggers, including:

  • Viral Infections: Sometimes, a simple cold or virus can set off a hive outbreak.
  • Temperature Extremes: Both hot and cold weather can be a trigger.
  • Water Exposure: Yes, even water can cause hives in some people.
  • Sun Exposure: Some individuals develop hives after being in the sun.
  • Physical Exercise: For some, exercise can unexpectedly lead to a bout of hives.

Chronic Urticaria: A Longer Battle

For some individuals, hives become a near-daily occurrence, lasting for months or even years. This condition, known as chronic urticaria, can be particularly challenging to manage.

Treating Hives: Finding Relief

  • Oral Antihistamines: These are often the first line of defense and can be quite effective in managing symptoms.
  • Steroids for Severe Cases: In cases where hives are particularly severe or persistent, steroids may be prescribed to help control the reaction.

Living with Hives

Dealing with hives means becoming a bit of a detective. It’s helpful to track your outbreaks and potential triggers, which can provide valuable insights for both you and your healthcare provider. Remember, while hives can be uncomfortable and sometimes alarming, they are often manageable with the right approach and treatment.

Seeking Professional Help

If you’re frequently experiencing hives, it’s important to consult with a healthcare professional. They can help determine the cause of your hives and recommend the most effective treatment plan for you. With proper management, you can reduce the frequency and severity of outbreaks, helping you lead a more comfortable, hive-free life.

Sinuses | Sinusitis | Rhinosinusitis Definition

The sinuses are more than just spaces in your head; they play a crucial role in your daily life. Located in the forehead (frontal sinuses), between the eyes (ethmoid and sphenoid sinuses), and in the cheekbones (maxillary sinuses), these air-filled cavities are an essential part of your skull’s architecture.

Why Do We Have Sinuses?

  • Lightening the Load: Sinuses help reduce the weight of your skull.
  • Breathing Made Better: They filter and moisten the air you breathe.
  • Speaking with Resonance: Your voice’s tone and quality are partly thanks to your sinuses.

Inside these sinuses, tiny hair-like cells called cilia work tirelessly. Their job? To move mucus through the sinus passages into the nose, keeping your nasal passages clear and free from blockages.

When Sinuses Act Up: Understanding Sinusitis

Sinusitis, or rhinosinusitis, happens when something goes wrong in this smooth operation. This condition occurs when the sinus openings become blocked, or when there’s an overproduction of mucus. The result? Inflammation or swelling in one or more of the sinus cavities.

Common Culprits Behind Sinusitis

  • Allergic Rhinitis: Allergies can lead to sinusitis, causing inflammation and blockages in the sinus passages.
  • Allergic Asthma: Those with allergic asthma may also find themselves more prone to chronic sinusitis.

Managing Sinus Health

Understanding your sinuses and the role they play is the first step in maintaining good respiratory health. If you’re experiencing symptoms like a blocked nose, facial pain, or a reduction in your sense of smell, it might be time to check in on your sinus health.

Allergy Shots (Immunotherapy)

If you’re struggling with allergies, allergen immunotherapy, commonly known as allergy shots, might be a game-changer for you. This treatment isn’t just about short-term relief; it’s about changing your body’s reaction to allergens in the long run.

What Does Allergen Immunotherapy Treat?

Allergy shots can be effective for a variety of allergic conditions, including:

  • Allergic Rhinitis: Often triggered by pollen, dust, or pet dander.
  • Allergic Asthma: Where allergens trigger asthma symptoms.
  • Conjunctivitis (Eye Allergy): Causing itchy, watery, or red eyes.
  • Stinging Insect Allergy: Reactions to the stings of bees, wasps, or other insects.

How Do Allergy Shots Work?

Think of allergy shots as a vaccine. Essentially, your body is exposed to small but increasing amounts of the allergen. Over time, this helps your body become less sensitive to the substance, potentially reducing your allergic reactions.

The Long-Term Benefits

One of the most exciting aspects of allergen immunotherapy is its potential for long-lasting relief. For many people, allergy shots lead to a significant decrease in allergy symptoms. Even better, this relief can continue even after the treatment has ended.

Is It Cost-Effective?

When considering the long-term reduction in allergy symptoms and potentially decreased need for allergy medications, allergen immunotherapy can be a cost-effective solution for many people.

Is Allergen Immunotherapy Right for You?

If you’re considering allergy shots, it’s important to discuss this with your healthcare provider. They can help determine if this treatment is suitable for your specific allergies and health condition. Remember, while the process takes time and commitment, the potential for lasting relief can be a worthwhile investment in your health and well-being.

Who Can Benefit From Allergy Shots?

Allergy shots can be a transformative treatment for many, but they’re not a one-size-fits-all solution. Understanding who can benefit from them, and under what circumstances, is key.

Age Considerations: From Kids to Seniors

  • Children: Generally, allergy shots are not recommended for children under the age of five. Young kids might struggle with the treatment regimen and may not be able to communicate effectively about any side effects they’re experiencing.
  • Older Adults: For seniors, especially those with conditions like cardiac disease, it’s crucial to have a detailed discussion with an allergist/immunologist before starting allergy shots.

Deciding If Allergy Shots Are Right for You

When considering allergy shots, you and your allergist/immunologist should weigh several factors:

  1. Allergy Season Length and Symptom Severity: How long is your allergy season, and how severe are your symptoms?
  2. Effectiveness of Other Treatments: Are medications or environmental control measures helping?
  3. Preference for Medication Use: Are you looking to avoid long-term use of allergy medications?
  4. Time Commitment: Allergy shots require a significant time commitment. Is this feasible for you?
  5. Cost Considerations: Costs can vary depending on where you live and your insurance coverage. It’s important to consider this aspect.

A Note on Food Allergies

It’s important to note that allergy shots are not used to treat food allergies. The best and most effective strategy for managing food allergies is complete avoidance of the allergenic food.

How Do Allergy Shots Work?

Allergy shots, often likened to vaccines, are a way to retrain your body’s response to specific allergens. The process involves two key phases: the build-up phase and the maintenance phase.

1. The Build-Up Phase: Laying the Foundation

  • Frequency: During this phase, you’ll receive injections with increasing amounts of the allergens. These are typically administered one to two times per week.
  • Duration: This phase usually lasts between three to six months, depending on how frequently you receive the injections.

2. The Maintenance Phase: Keeping Things Steady

  • Finding the Right Dose: Once you reach what’s known as the effective maintenance dose – tailored to your allergen sensitivity and response to the build-up phase – you enter the maintenance phase.
  • Spacing Out the Treatments: Now, the intervals between your allergy shots will extend. This could range from every two to four weeks.
  • Personalized Scheduling: Your allergist/immunologist will determine the best schedule for your injections during this phase.

When Will You Notice Improvement?

  • Initial Changes: You might start to see a decrease in symptoms during the build-up phase.
  • Patience is Key: However, it often takes around 12 months on the maintenance dose to experience noticeable improvement.

Looking Ahead: The Long-Term Plan

  • Duration of Treatment: If the allergy shots are effective, you’ll typically continue the maintenance treatment for three to five years.
  • Making Changes: Deciding to stop allergy shots isn’t a decision to take lightly. It should always be discussed with your allergist/immunologist.

Understanding the Journey

Embarking on allergy shot treatment is a commitment, and it’s important to go into it with a clear understanding of the process. While it requires patience and consistency, the potential for long-term relief can make it a worthwhile endeavor for many struggling with allergies.

How Effective Are Allergy Shots?

Allergy shots have been a game-changer for many people suffering from various allergies. Not only do they decrease symptoms, but they also offer some long-term benefits, including the prevention of new allergies. Particularly in children, they can halt the progression of allergic diseases, such as moving from allergic rhinitis to asthma.

What Determines the Success of Allergy Shots?

The success of allergy shots often hinges on two key factors:

  1. Duration of Treatment: The length of time you’re on the treatment plays a crucial role.
  2. Allergen Dose: The effectiveness is also linked to the dose of the allergen in the shots.

Results: What to Expect

  • Lasting Relief: Many people experience a significant and lasting reduction in allergy symptoms.
  • Possibility of Relapse: However, there’s a chance of symptoms returning after stopping the treatment.
  • Evaluating Progress: If there’s no improvement after a year of maintenance therapy, it’s important to reassess your treatment plan with your allergist/immunologist.

When Allergy Shots Don’t Work: Understanding Why

Sometimes, allergy shots don’t bring the expected relief. This could be due to several reasons:

  • Inadequate Allergen Dose: The dose in the allergy vaccine might not be high enough.
  • Missing Allergens: There could be allergens affecting you that weren’t identified during your initial allergy evaluation.
  • Environmental Factors: High levels of allergens in your surroundings can impact the effectiveness.
  • Non-Allergic Triggers: Exposure to other irritants, like tobacco smoke, can also play a role.

Where Should Allergy Shots Be Given?

When it comes to allergy shots, safety is key. This type of treatment requires careful supervision by a physician who specializes in allergies and immunology. But it’s not just about who administers the treatment; it’s also about where it’s done.

The Ideal Place for Treatment: Your Allergist’s Office

  • Why the Allergist’s Office? This setting is specifically equipped with the necessary staff and equipment to promptly identify and treat any adverse reactions that might occur during your allergy shot treatment.
  • The Benefit of Specialized Care: Receiving treatment in your allergist/immunologist’s office ensures that you’re in the hands of someone who thoroughly understands your allergy history and treatment plan.

What If You Can’t Get to Your Allergist’s Office?

Sometimes, it might not be possible to have your treatment administered in your allergist’s office. In such cases:

  • Collaboration is Key: Your allergist/immunologist should provide detailed instructions and guidance to the physician who will be supervising your treatment.
  • Ensuring Continuity of Care: This ensures that the supervising physician is fully informed about your specific allergy shot treatments and can manage them safely and effectively.

A Team Effort for Your Safety

Remember, the goal of allergy shot treatment is not just to ease your allergy symptoms but to do so in the safest way possible. Whether in your allergist’s office or another medical setting, the focus is on providing you with effective and safe treatment. This collaborative approach between your allergist/immunologist and any supervising physician is a critical part of ensuring your well-being during the course of your immunotherapy.