Premenstrual syndrome (PMS) refers to physical and emotional symptoms that occur in the days or weeks before a menstrual period and improve once bleeding begins. Common symptoms include mood changes, irritability, anxiety, bloating, breast tenderness, fatigue, headaches, food cravings, and changes in sleep.
Premenstrual dysphoric disorder (PMDD) is a more severe form of PMS that can cause significant emotional symptoms and interfere with work, relationships, and daily life.
The resources below provide information about PMS, PMDD, symptoms, diagnosis, and treatment options.
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