Do you have breast pain before your period? After menopause? Learn about the hormonal, structural and cancerous causes of breast pain on the right or left side. Breast pain symptom checker.

Breast pain mastalgia can be described as tenderness, throbbing, sharp, stabbing, burning pain or tightness in the breast tissue. The pain may be constant or it may occur only occasionally, and it can occur in men, women and transgender people. In men, breast pain is most commonly caused by a condition called "gynecomastia" guy-nuh-koh-MAS-tee-uh. This refers to an increase in the amount of breast gland tissue that's caused by an imbalance of the hormones estrogen and testosterone. Gynecomastia can affect one or both breasts, sometimes unevenly.

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There are many possible causes for breast pain. For example, changes in the level of hormones during menstruation or pregnancy often cause breast pain. Some swelling and tenderness just before your period is normal. Some women who have pain in one or both breasts may fear breast cancer.