8:30am - 4:00pm (Mon-Fri)
Closed 12:00-1:00pm for Cleaning (Mon-Fri)
Testing appointments 8:30am - 3:00pm (M/Tu/W/F)


4745 Arapahoe Ave. Suite 130, Boulder, CO 80303
300 Exempla Circle Suite 210, Lafayette, CO 80026

Boulder Allergy Clinic

We take care of people

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We are a customer service driven medical based allergy clinic specializing in testing and treatment for upper respiratory allergies. Our team of doctors and technicians provides accurate skin testing, in-depth counselling, and targeted treatments utilizing sublingual immunotherapy (SLIT)-allergy drops. As a courtesy, allergy drops can be conveniently shipped to our patients (shipping costs may apply).

Our Services

Sublingual Immunotherapy

We use drops to slowly help increase your tolerance or immunitity to certain allergies. As a courtesy, allergy drops can be conveniently shipped to our patients (shipping costs may apply).

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Allergy Tests

We offer both skin and blood testing. Our team will help you determine the best route based on your needs and desires.

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Why Choose Boulder Allergy?

We focus on you!


Led by Donald Maschka, M.D. who is fellowship trained in otolaryngic (upper respiratory) allergy, Boulder Allergy Clinic is physician owned and operated by the physician partners at Boulder Valley Ear, Nose and Throat.

Patient Satisfaction

We put the patient first all the time, and in every way.

Patient Comfort

No uncomfortable allergy shots.

Two Locations

We are located in Boulder at the Foothills hospital and in Lafayette at the Good Samaritan Medical Center.

Latest Technology

We are a practice that specializes in upper respiratory inhalant allergy issues by providing testing, treatment, ENT physician support, and tailoring the right treatment modalities to ideally fit our patients’ needs.

We Collaborate With Other Medical Professionals on

Complex Asthma Issues

Complicated Dermatologic Allergies
Food Allergies

All About Allergies

Move your mouse over each section of the graphic below to learn more.

T ypes of A l lergies