what are side effects of estrogen cream?
['nausea, vomiting, stomach cramps;', 'bloating, swelling, weight gain;', 'breast pain or tenderness;', 'headache;', 'vaginal itching or discharge, changes in your menstrual periods, breakthrough bleeding;', 'thinning scalp hair; or.', 'cold symptoms such as stuffy nose, sneezing, sore throat.']