Your medicines and pregnancy
For fathers-to-be
Guidance for men is more reassuring than many people expect: low-dose methotrexate, hydroxychloroquine, sulfasalazine (which can temporarily lower sperm count) and most biologics are generally considered compatible with fathering a pregnancy. Cyclophosphamide is the main exception and needs stopping months ahead. Discuss your own medicines with your rheumatologist.
Where this comes from
EULAR points to consider for use of antirheumatic drugs before pregnancy, and during pregnancy and lactation (Götestam Skorpen C, et al. Ann Rheum Dis 2016;75:795–810) and the British Society for Rheumatology guideline on prescribing drugs in pregnancy and breastfeeding (Russell MD, et al. Rheumatology 2023;62:e48–e88). Individual plans can differ — this is general information, not a prescription.
This is a self-help tool, not a diagnosis. It helps you keep track and talk to your doctor. If you feel very unwell, have a high fever, chest pain, sudden weakness or vision loss, seek medical care straight away.