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What should I know before receiving IL-5 antagonists?

Donna Hill Howes, RN
Family Practitioner

It is not known if reslizumab is safe or effective for children under 18 years of age. It is not known if mepolizumab is safe or effective for children under 12 years of age.

Make sure you are vaccinated against chicken pox before you start taking mepolizumab.

You should not take an IL-5 antagonist until any helminth infection is successfully treated.

If you are pregnant, may be pregnant, or planning a pregnancy, IL-5 antagonists may not be good options for you. It is not known if they are safe for pregnant women.

If you are breastfeeding, IL-5 antagonists may not be good options for you. It is not known if they can be passed into breast milk.

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition, or find a doctor.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.