Patient-Reported Data on These Conditions
Prevalence, symptoms, and lived-experience data reported by patients and parents — drawn from national surveys and standardized outcome instruments.
Patient-reported figures come from surveys and self-report instruments, which depend on respondent recall and survey design. Prevalence and symptom estimates vary by source and year — consult the original source for methodology and exact values. This page is informational, not medical advice.
U.S. Asthma — Prevalence & Patient-Reported Data
About 1 in 13 Americans (about 25 million people) have asthma, per CDC National Health Interview Survey (NHIS) and BRFSS data. Patient-reported surveys track symptoms (nighttime wheezing, rescue inhaler use), missed school/work days, and emergency visits. Asthma remains poorly controlled for millions, with Black and Puerto Rican populations reporting higher symptom rates and hospitalizations.
Childhood Asthma — Patient-Reported Outcomes
Childhood asthma is a leading cause of school absence and activity limitation. The CDC tracks child asthma prevalence, symptom days, and management gaps via the NHIS child component. Patient-reported measures (e.g., missed school days, rescue medication use, exercise limitation) show persistent control gaps, especially in low-income communities.
Food Allergy — Patient-Reported Prevalence
Surveys estimate 32 million Americans have food allergy (26 million adults, 5.6 million children), with patient-reported reactions to peanuts, milk, shellfish, tree nuts, egg, wheat, soy, sesame, and fish. Patient-reported outcomes include ER visits, accidental exposures, and anxiety about reactions — collected via national survey research.
Anaphylaxis — Patient-Reported Episodes
Patient-reported anaphylaxis data capture triggers (food, insect stings, medications), epinephrine use, and emergency care. Surveys show many patients delay or fail to use epinephrine, and a substantial share of severe reactions occur outside clinical settings, underscoring gaps in preparedness and access.
Patient-Reported Outcome Measures (PROMs)
Standardized patient-reported outcome instruments (such as PROMIS and asthma quality-of-life questionnaires) measure how patients experience their condition — symptoms, emotional burden, social role function. These tools guide clinical care and research on the lived burden of allergic and respiratory disease.
Global Patient-Reported Data (ISAAC & Global Asthma Report)
The International Study of Asthma and Allergies in Childhood (ISAAC) used standardized patient/parent-reported questionnaires in over 100 countries, establishing global prevalence patterns for asthma, rhinitis, and eczema in children. The Global Asthma Report builds on this with patient and clinician reporting on symptom control, access, and mortality.
While we strive for accuracy, information may change over time. Always double-check and verify against official sources before relying on it.