I know that testosterone therapy isn’t suitable in current or suspected breast cancer cases, but what about those with a history? How safe is testosterone in women who have had past, treated breast cancer? Given that a small amount of the therapy may be converted to oestrogen, is it safe?
'Ask an Expert: Q&A' is a place for health professionals to ask our team of experts about cases seen in work and/or clinical practice.
From Jean Hailes Endocrinologist Dr Sonia Davison.
Testosterone is not recommended in the setting of breast cancer, current or past. For more information, you may find this Global Consensus Position Statement on the Use of Testosterone Therapy for Women helpful.