Are Dupixent and Nucala the Same Thing?
Dupixent (dupilumab) injection and Nucala (mepolizumab) for injection are monoclonal antibodies used to treat asthma.
Dupixent is also used to treat adult patients with moderate-to-severe atopic dermatitis whose disease is not adequately controlled with topical prescription therapies or when those therapies are not advisable. Dupixent can be used with or without topical corticosteroids.
Nucala is also used to treat adult patients with eosinophilic granulomatosis with polyangiitis (EGPA) and to treat adult and pediatric patients aged 12 years and older with hypereosinophilic syndrome (HES) for 6 or more months without an identifiable non-hematologic secondary cause.
Side effects of Dupixent and Nucala that are similar include injection site reactions.
Side effects of Dupixent that are different from Nucala include pink eye (conjunctivitis), swollen or puffy eyelids, oral herpes, inflammation of the cornea (keratitis), eye itching, other herpes simplex virus infection, and dry eye.
Side effects of Nucala that are different from Dupixent include headache, back pain, fatigue, flu symptoms, urinary tract infection (UTI), abdominal pain, itching, eczema, and muscle spasms.
Dupixent may interact with "live" vaccines, warfarin, and cyclosporine.
Nucala may interact with other drugs.
What Are Possible Side Effects of Dupixent?
Common side effects of Dupixent include:
- injection site reactions,
- pink eye (conjunctivitis),
- swollen or puffy eyelids,
- oral herpes,
- inflammation of the cornea (keratitis),
- eye itching,
- other herpes simplex virus infection, and
- dry eye.
What Are Possible Side Effects of Nucala?
Common side effects of Nucala include:
- headache,
- injection site reaction,
- back pain,
- fatigue,
- flu symptoms,
- urinary tract infection (UTI),
- abdominal pain,
- itching,
- eczema, and
- muscle spasms

QUESTION
Asthma is a chronic respiratory disease. See AnswerWhat Is Dupixent?
Dupixent (dupilumab) injection is aninterleukin-4 receptor alpha-antagonist indicated for the treatment of adult patients with moderate-to-severe atopic dermatitis whose disease is not adequately controlled with topical prescription therapies or when those therapies are not advisable. Dupixent can be used with or without topical corticosteroids.
What Is Nucala?
Nucala (mepolizumab) is an interleukin-5 (IL-5) antagonist monoclonal antibody (IgG1 kappa) indicated for add-on maintenance treatment of patients with severe asthma aged 6 years and older, and with an eosinophilic phenotype; the treatment of adult patients with eosinophilic granulomatosis with polyangiitis (EGPA); and the treatment of adult and pediatric patients aged 12 years and older with hypereosinophilic syndrome (HES) for 6 or more months without an identifiable non-hematologic secondary cause.
What Drugs Interact With Dupixent?
Dupixent may interact with:
- "live" vaccines,
- warfarin, or
- cyclosporine
What Drugs Interact With Nucala?
Nucala may interact with other drugs. Tell your doctor all medications and supplements you use.
From 
Asthma and Allergy Resources
Featured Centers
Health Solutions From Our Sponsors
All drug information provided on RxList.com is sourced directly from drug monographs published by the U.S. Food and Drug Administration (FDA).
Any drug information published on RxList.com regarding general drug information, drug side effects, drug usage, dosage, and more are sourced from the original drug documentation found in its FDA drug monograph.
Drug information found in the drug comparisons published on RxList.com is primarily sourced from the FDA drug information. The drug comparison information found in this article does not contain any data from clinical trials with human participants or animals performed by any of the drug manufacturers comparing the drugs.
The drug comparisons information provided does not cover every potential use, warning, drug interaction, side effect, or adverse or allergic reaction. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site.
As drug information can and will change at any time, RxList.com makes every effort to update its drug information. Due to the time-sensitive nature of drug information, RxList.com makes no guarantees that the information provided is the most current.
Any missing drug warnings or information does not in any way guarantee the safety, effectiveness, or the lack of adverse effects of any drug. The drug information provided is intended for reference only and should not be used as a substitute for medical advice.
If you have specific questions regarding a drug’s safety, side effects, usage, warnings, etc., you should contact your doctor or pharmacist, or refer to the individual drug monograph details found on the FDA.gov or RxList.com websites for more information.
You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088.
https://www.dupixent.com
GSK. Nucala Drug Information.
https://www.nucala.com/