Consider biologics if your asthma remains uncontrolled despite maximal therapy with inhaled corticosteroids and long-acting bronchodilators. These medications specifically target inflammatory pathways in your body, offering a more precise approach than traditional treatments.
Biologics are administered via injection or infusion, often monthly or every other month. Common targets include:
- IgE: Omalizumab, mepolizumab, reslizumab, and benralizumab reduce IgE levels, a key player in allergic asthma. Mepolizumab and reslizumab show particular benefit in eosinophilic asthma. IL-5 and IL-5 receptor: Mepolizumab, reslizumab, and benralizumab also target IL-5 or its receptor, further reducing eosinophilic inflammation. IL-4 and IL-13: Dupilumab targets both IL-4 and IL-13, cytokines crucial in type 2 inflammation impacting many asthma symptoms. TSLP: Tezepelumab blocks thymic stromal lymphopoietin (TSLP), a key initiator of type 2 inflammation, proving particularly effective in patients with severe disease unresponsive to other biologics.
Choosing the right biologic depends on your specific asthma phenotype, identified through blood tests that measure eosinophils, IgE levels, and other biomarkers. Your doctor will assess your individual needs and medical history to determine the best treatment plan.
Potential side effects vary by medication but can include injection site reactions, headache, and increased risk of infections. Discuss potential risks and benefits with your physician.
Regular monitoring is essential during biologic therapy. Your doctor will track your asthma symptoms, lung function, and potential side effects to ensure optimal treatment and adjust the regimen as needed.
Consult your allergist or pulmonologist for a comprehensive evaluation. Discuss potential biologic therapies and their suitability for your condition. Closely follow your doctor’s recommendations for medication administration and follow-up appointments.
Biologics offer a powerful addition to asthma management, providing targeted relief for many individuals with severe disease. Remember that individual responses vary, and finding the right medication may require some trial and error.


