What Are the Side Effects of Estrogen?


Quick Answer

WebMD reports that side effects of estrogen that may require medical attention include breast pain, rapid heartbeat, fever, hives, hoarseness, irritation of the skin, itching, joint pain, stiffness and rash. Other significant side effects include shortness of breath, swelling, tightness in the chest, trouble swallowing, rapid weight gain and wheezing.

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Full Answer

Women and men taking estrogen supplements rarely suffer severe side effects, but many common minor effects have been associated with them, according to Mayo Clinic. Prolonged use of estrogen has been known to increase the risk of endometrial cancer in women. Vaginal bleeding may rarely occur for women. Myriad other symptoms have been rarely or occasionally associated with estrogen use, including chest pain, loss of vision, cough and chills.

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