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Immunology and Allergy

Specialists in allergy and immunology at Greenwich Hospital are experienced physicians skilled at diagnosing and treating a variety of allergy-related disorders including seasonal, environmental and food allergies, as well as skin conditions, sinusitis, asthma and other conditions.

Personal Guidance

The Greenwich Hospital staff provides individualized attention to all patients and help patients organize tests, schedule appointments and understand insurance benefits.

Learn more in the Patients section

Pediatric Allergy and Asthma

The Pediatric Specialty Center treats children with allergies and asthma.

Learn more about the Pediatric Specialty Center


When combined with a detailed medical history, allergy testing can identify the specific triggers for an allergic reaction. Diagnostic testing may include:

  • Skin Testing: Helps identify the substances causing allergic systems. Small amounts of solutions that contain different allergens are injected under the skin or applied with a small scratch. A reaction appears as a small red area.
  • Blood Tests: Measure IgE (allergic) antibodies to specific allergens in the blood. The blood test most commonly used is called RAST (radioallergosorbent test). Blood tests may be used when skin tests cannot be performed.


Treatment options for allergies vary depending on the type of allergy and the severity of a patient’s reaction. Options may include:

  • Prevention education (avoidance)
  • Decongestants and antihistamines
  • Nasal sprays
  • Eye drops
  • Corticosteroids
  • Allergy shots (allergy immunotherapy)
  • Asthma treatment
person blowing nose

Achoo! Is it a cold or an allergy?

The two conditions have similar symptoms, so telling them apart can be challenging. Knowing the difference, though, can help you find relief with the best treatment.