Nucala vs Daliresp

A side-by-side look at two respiratory medications advertised on TV. Informational only — not medical advice.

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Information reviewed July 24, 2026

US NucalaUS Daliresp
Generic namemepolizumabroflumilast
Drug classIL-5 Antagonist (Biologic)PDE4 Inhibitor (Oral)
TreatsSevere eosinophilic asthma, COPD, nasal polypsChronic obstructive pulmonary disease (COPD)
CategoryRespiratoryRespiratory
ManufacturerGSKAstraZeneca
Year approved20152011
FDA warningNo boxed warningModerate warnings
Est. TV ad spend$75M
Common side effectsHeadache, Injection site reactions, Back pain, FatigueDiarrhea, Weight loss, Nausea, Headache

Frequently asked questions

Is Nucala or Daliresp better?

Neither is universally "better." Nucala (mepolizumab) and Daliresp (roflumilast) are both used for respiratory, but the right choice depends on your medical history, insurance and your doctor's guidance. This comparison is informational only.

What's the difference between Nucala and Daliresp?

Nucala is a IL-5 Antagonist (Biologic) made by GSK, while Daliresp is a PDE4 Inhibitor (Oral) made by AstraZeneca. See the table above for a side-by-side breakdown.

Which one spends more on TV ads?

Nucala has the larger estimated TV advertising budget of the two.

TVPills

A reference tool to help identify prescription medications and supplements seen in television advertising. This is not medical advice. Always consult a healthcare professional.

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