Premenstrual Syndrome (PMS) Causes, Symptoms, Diagnosis, Treatment, and Prevention Information on MedicineNet.com

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Premenstrual Syndrome
(PMS)

Medical Author: Melissa Conrad Stöppler, MD
Medical Editor: William C. Shiel, Jr., MD, FACP, FACR

Featured premenstrual syndrome (PMS) patient discussions on effective treatments experienced

"It took some time for me to realize that I actually have PMS. First, I thought these were the consequences of the miscarriage I had. It is so exhausting. I am tired of myself, even though I know it is PMS and it is all in my head. I can�t fight the depression, the constant fear, sudden panic attacks, sudden tears. My poor husband has so much patience. Sometimes I just lock myself in the room so as not to annoy people. I am only 26. I tried vitamins, which were not really helpful."

"My life was a cycle of mood swings and tears before I would get my period. I was one of the few women that would actually cry in relief when my period started because then the end was in sight. My family was walking on eggshells around me and unable to adapt to the two totally different women I was, depending on where I was in my cycle. I saw my doctor and she put me on Prozac. The difference is amazing. I still have mood swings, but now I can control them. They no longer control me! I have also started a low-salt diet and mild exercise program. They may or may not have helped. Each month is different, but with Prozac I am able to have a life again, all month long, not just two weeks of the month!"

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Patient Discussions are not a substitute for professional medical advice, or treatment.
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What is premenstrual syndrome?

Premenstrual syndrome (PMS) is a combination of physical and emotional disturbances that occur after a woman ovulates and ends with menstruation. Common PMS symptoms include depression, irritability, crying, oversensitivity, and mood swings. For some women PMS symptoms can be controlled with medications and lifestyle changes such as exercise, nutrition, and a family and friend support system.

is a combination of emotional, physical, psychological, and mood disturbances that occur after a woman's ovulation and typically ending with the onset of her menstrual flow. The most common mood-related symptoms are irritability, depression, crying, oversensitivity, and mood swings with alternating sadness and anger. The most common physical symptoms are fatigue, bloating, breast tenderness (mastalgia), acne, and appetite changes with food cravings.

A more severe form of PMS, known as premenstrual dysphoric disorder (PMDD), also known as late luteal phase dysphoric disorder) occurs in a smaller number of women and leads to significant loss of function because of unusually severe symptoms.

How common is PMS?

About 80% of women experience some premenstrual symptoms. The incidence of true PMS has often been overestimated by including all women who experience any physical or emotional symptoms prior to menstruation. It is estimated that clinically significant PMS (which is moderate to severe in intensity and affects a woman's functioning) occurs in 20% to 30% of women. About 2% to 6% of women are believed to have the more severe variant known as PMDD.

When was PMS discovered?

The mood changes surrounding this condition have been described as early as the time of the ancient Greeks. However, it was not until 1931 that this disorder was officially recognized by the medical community. The term "premenstrual syndrome" was coined in 1953.

What causes PMS?

PMS remains an enigma because of the wide-ranging symptoms and the difficulty in making a firm diagnosis. Several theories have been advanced to explain the cause of PMS. None of these theories have been proven, and specific treatment for PMS still largely lacks a solid scientific basis. Most evidence suggests that PMS results from the alterations in or interactions between the levels of sex hormones and brain chemicals known as neurotransmitters.

PMS does not appear to be specifically associated with any personality factors or specific personality types. Likewise, a number of studies have shown that psychological stress is not related to the severity of PMS.