For patients

Azathioprine

AZA, 6-mercaptopurine (related)

Are you a clinician? See the clinical version of this page.

The short versionAzathioprine is usually continued through pregnancy and breastfeeding at the doses used in rheumatic disease, and it is considered compatible for fathers-to-be. It is a common choice when a stronger medicine is needed during pregnancy.

Through your pregnancy journey

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Before pregnancy

Usually continued.

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First trimester

Usually continued.

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Second & third trimester

Usually continued to delivery.

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Breastfeeding

Considered compatible with breastfeeding.

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For fathers-to-be

Considered compatible for fathers-to-be.

iThis page helps you prepare a conversation with your care team. It does not replace individual medical advice. Always confirm your own plan with your rheumatology and pregnancy team.
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