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Premenstrual Syndrome (PMS)

What is premenstrual syndrome (PMS)?

Premenstrual syndrome or PMS is a group of physical and emotional symptoms many women may have in the days before their period starts. Symptoms usually stop once the period starts. It’s thought to be related to the changing hormone levels of the menstrual cycle.

Lifestyle changes and sometimes medication are used to treat PMS.

What causes PMS?

The cause of PMS is unclear. It seems to be related to hormone fluctuations in the body. Changes in brain chemicals may also play a role.

What are the symptoms of PMS?

Symptoms may be slightly different for each woman. The following are the most common symptoms of PMS.

  • Irritability and mood swings
  • Trouble sleeping
  • Anxiety
  • Bloating and fluid buildup
  • Constipation or diarrhea
  • Backache or headache
  • Tender breasts
  • Forgetfulness and trouble concentrating
  • Acne
  • Food cravings

The symptoms of PMS may look like other conditions or medical problems. Consult a healthcare provider for diagnosis.

How is PMS diagnosed?

Aside from a complete medical history and physical and pelvic exam, there are very few additional tests. Your doctor may ask that you keep a journal of your symptoms for several months to better assess the timing, severity, onset, and duration of symptoms.

How is PMS treated?

Your healthcare provider will consider your age, overall health, symptoms and other factors when finding the best treatment for you.

Lifestyle changes and sometimes medicines can help manage PMS symptoms.
Medicines include:

  • Water pills (diuretics) before symptoms start  to reduce fluid buildup
  • Nonsteroidal anti-inflammatory medicines, or NSAIDs, such as aspirin and ibuprofen, to reduce pain
  • Birth control pills  
  • Medicines used to temporarily stop ovaries from making estrogen and progesterone
  • Antidepressants
Lifestyle changes:
  • Changing the diet to increase protein and decrease sugar and caffeine intake
  • Vitamin supplements such as vitamin B-6, calcium, and magnesium
  • Regular exercise

Can PMS be prevented?

For some women, making lifestyle changes helps to reduce the occurrence of PMS symptoms. These changes may include:

  • Get regular exercise 3 to 5 times each week
  • Eat a well-balanced diet. You should eat more whole grains, vegetables, and fruits, while eat less salt, sugar, caffeine, and alcohol.
  • Get enough sleep and rest
  • Don’t smoke

When to seek medical care

Call your healthcare provider if you have symptoms of PMS that interfere with your ability to carry out your normal daily activities.

Key points about premenstrual syndrome

  • Premenstrual syndrome (PMS) is a group of physical and emotional symptoms many women may have in the days before their period starts.
  • It is thought to be related to the hormone changes of a woman’s menstrual cycle.
  • Lifestyle changes and sometimes medicines are used to treat PMS.

Next steps

Tips to help you get the most from a visit to your healthcare provider:

  • Before your visit, write down questions you want answered.
  • Bring someone with you to help you ask questions and remember what your provider tells you.
  • At the visit, write down the names of new medicines, treatments, or tests, and any new instructions your provider gives you.
  • If you have a follow-up appointment, write down the date, time, and purpose for that visit.
  • Know how you can contact your provider if you have questions.
Premenstrual Syndrome (PMS) - WellSpan Health

Online Medical Reviewer: Freeborn, Donna, PhD, CNM, FNP
Online Medical Reviewer: Grantham, Paula, RN, BSN
Last Review Date: 2014-02-08T00:00:00
Last Modified Date: 2015-11-12T00:00:00
Published Date: 2015-11-12T00:00:00
Last Review Date: 2007-06-30T00:00:00
© 2016 WellSpan Health. All Rights Reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

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