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Welcome to The Asthma, Allergy and Sinus Clinic


Allergy Care For The Entire Family



We specialize in the diagnosis and treatment of allergic and immunologic conditions in adults and children.


Common allergic conditions include:

Allergic Rhinitis:   Children and adults suffering from this condition typically have symptoms of runny nose, nasal congestion, postnasal drip, often accompanied by nasal itching. They often report a history of sinus infections. Common trigges include indoor and outdoor environmental allergens such as dust mites, pet hair and dander, pollen and mold.
Allergic conjuctivitis:   Eyes are often itchy and teary. Eyes can feel gritty and dry. Allergic rhinitis and allergic conjunctivitis often coexist. In addition, some people develop itchy eyelids. Scratching the itchy eyelids can cause a rash and infections.
Asthma:   Onset of asthma can be in childhood or later in life. Asthma symptoms often include wheeze and shortness of breath but some patients may present with a dry persistent cough. Pulmonary function testing is performed to diagnose asthma and separate it from other breathing problems.
Eczema:   Eczema or atopic dermatitis is an intensely itchy skin condition. Itching and scratching will cause a waxing and waning rash most typically present behind one's knees, in the elbow creases, behind the ears and often on hands and ankles. Food and environmental allergens may trigger itching.
Urticaria:   Hives or welts may appear without apparent reasons or may be a reaction to a medication or food. Hives are occasionally associated with angioedema or swelling of face, lips extremities.
Food Allergies:   Allergic reactions to foods can cause stomach and intestinal symptoms, skin conditions and more rarely acute respiratory problems.
Weak immunity:   Recurrent or chronic infections, especially sinus or chest infections can be the result of low antibody production.
Fire Ant allergy:   Reactions to venoms from insect stings (fire ants and other) can cause anaphylactic reactions.







Other practitioners are often willing to treat similar conditions,
but in the complex world of medicine,
a visit to a specialist in Allergy Immunology
ensures you the most accurate diagnosis,
and the best available treatment.

Our Clinicians:


  • Roberto Di Nicolo, M.D. is Board Certified in Allergy and Immunology. He has been caring for people with allergic problems since 1989 and has been practicing in Volusia County since 1991.

  • Brooke Powell, ARNP FNP-C, a DeLand native, has been providing patient care in central Florida since 2005. She is now specializing in allergy and immunology for children and adults. Brooke and her husband are the proud parents of seven children. She is the athletic director of a youth football, basketball, and cheer league and is active in her community. She has joined our team in 2017.

We offer evening and early morning appointments.

We accept most health insurance.

Call (386) 252-6622 to make an appointment or to ask any questions you may have.

Serving Volusia County and Beyond.
Get the opinion of a Board Certified Allergist Immunologist.