although erythema nodosum (en) affects four times as many women as men it is not because of estrogen or at least no medical researcher has made a direct link to any hormone. en is considered to be idiopathic - meaning that a specific cause has not been identified. for more information: <link>#a0101 my dermatologist would beg to differ on the previous answer. i have been diagnosed with erythema nodosom (biopsy proven) & i also have concurrent hormone dysfunction. my dr. said there have been cases where women taking birth control (hormones) & women who are pregnant were diagnosed with erythema nodosom & no other cause had been found to explain the issue. there is an article in a medical journal discussing this & the possibility that estrogen caused these women's erythema nodosom. my derm. said he believes my hormone issues very well may be causing my chronic e. n. if you are still having issues i'd recommend seeing an endocrinologist to look further into the state of your hormones. good luck!
can estrogen cause erythema nodosum