Increased risk for cancer of the breast due to previous medication.

ABSTRACT

PIP: 15 patients presenting 1 or more risk factors for breast cancer who were also receiving medication with prolactin-stimulating effects were selected for study. The medication was hormone derivatives or nonhormonal drugs used for other than oncologic processes. In all cases, the medication was taken over a long period, 3 or more years, with the exception of 1 patient where the correlation with the unfavorable evolution of cancer was evident. In patients presenting the classic risk factors for breast cancer, it is recommended that drugs with a prolactin-stimulating effect be avoided. The association of both circumstances (risk factors and prolactin-stimulating medication) is considered an increased risk for breast cancer. (author's modified)