Children With Asthma May Have Worse Outcomes When Exposed to Vaping at Home

By
Debbie Bunch
October 20, 2026

American Association For Respiratory Care

Objective:

To assess whether household e-cigarette exposure was associated with asthma outcomes in children.

Approach:

Study population: Researchers analyzed 48,118 primary care visits involving children aged 1 year or older with an asthma diagnosis.
Comparison: Asthma outcomes were compared by reported household use of tobacco products and e-cigarettes.

Key Findings:

Household tobacco and e-cigarette use was reported across 5% of visits; tobacco-only use was reported in 9% and e-cigarette-only use in 3%.
Combined household tobacco and e-cigarette use had the strongest association with poor asthma control, including nighttime symptoms, increased rescue-medication use, hospital admissions, and uncontrolled asthma.
E-cigarette-only exposure was associated with approximately 1.3-fold higher odds of asthma flares and 1.4-fold higher odds of activity-related symptoms.
Associations remained consistent after adjustment for other factors. Tobacco-only exposure had more modest but statistically significant associations across several assessed domains.

Interpretation:

The authors reported that e-cigarette-only exposure was associated with asthma symptoms to a degree comparable to combined exposure and emphasized cessation counseling addressing both combustible tobacco and electronic products.

Limitations:

The context does not provide details about the study design, exposure measurement, or specific adjusted factors.
The findings are based on primary care visits; the context does not establish that household vaping caused the reported outcomes.