Mercy Clinic Allergy, Asthma and Immunology - Patients First Drive

901 Patients First Drive
Suite 2300
Washington, MO 63090
Fax: (636) 231-3791
Hours of Operation:
Monday-Wednesday: 8:30 a.m. - 5:30 p.m. Thursday: 11 a.m. - 6 p.m. Friday: 8:30 a.m. - Noon
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Allergies are more than simply inconvenient for children and adults. The inflammation allergies cause may also lead to asthma, or another more serious condition. Mercy Clinic Asthma and Immunology in Washington, MO has a team that provides board-certified allergy treatment. An “allergist” is a doctor who has special training in the diagnosis and care of illnesses caused by allergic diseases. An allergist not only treats the symptoms, but also works to identify the causes of the illness and prevent future episodes. 

Our allergists help you take part in your own care. Our team will teach you how to avoid allergy and asthma triggers and manage your symptoms when they occur.

Areas of Expertise

  • Diseases of the respiratory tract such as allergic rhinitis, sinusitis, asthma, hypersensitivity pneumonitis and occupational lung diseases
  • Allergic diseases of the eye including allergic conjunctivitis
  • Allergic conditions of the skin including atopic dermatitis, contact dermatitis, acute/chronic urticaria or angioedema
  • Diseases associated with autoimmune responses to self-antigens, or auto-inflammatory syndromes
  • Diseases of the immune system including primary immune deficiencies such as severe combined immune deficiency syndromes, antibody deficiencies, complement deficiency, phagocytic cell abnormalities, or other impairments in innate immunity and acquired immune deficiency related to HIV infection or drug-induced immune suppression.
  • Systemic diseases including anaphylaxis and systemic diseases involving mast cells or eosinophils
  • Adverse reactions to foods, drugs, vaccines, stinging insects and other agents
  • Gastrointestinal disorders caused by immune responses to foods including eosinophilic esophagitis or gastroenteritis, food protein-induced enteropathies

Services Offered

Our Providers

Jeremy Shawn Katcher, MD, Mercy
Allergy and Immunology
Mercy Clinic