Guide to Premenstrual Syndrome (PMS)

Reviewed by Brunilda Nazario, MD on July 01, 2011
Sources: © 2011 WebMD, LLC. All rights reserved.Remedy: Herbal Extracts
Herbal remedies for PMS have not been well studied, but there is some evidence supporting the use of chasteberry, black cohosh, and evening primrose oil. Check with your doctor before trying these herbs. They may interact with medications or be harmful for people with certain chronic conditions.


What is Premenstrual Syndrome?

A week or two before your period starts, you may notice bloating, headaches, mood swings, or other physical and emotional changes. These recurring monthly symptoms are known as premenstrual syndrome, or PMS. About 85% of women experience some degree of PMS. A few have more severe symptoms that disrupt work or personal relationships, known as premenstrual dysphoric disorder (PMDD).

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Symptoms of PMS: Cravings

Many women develop specific cravings when PMS strikes, usually for sweet, starchy foods like chocolate cake. The reasons for this are not well understood. Other women may lose their appetite or develop an upset stomach. Bloating and constipation are also common.


Symptoms of PMS: Acne

Acne is one of the most common signs of PMS, and it doesn't just affect teenagers. Hormonal changes can cause glands in the skin to produce more sebum. This oily substance may clog the pores, triggering a breakout -- a visible reminder that your period is on its way.


Symptoms of PMS: Pain

PMS can trigger a wide range of aches and pains, including:

• Back pain
• Headaches
• Tender breasts
• Joint pain

How PMS Affects Other Conditions

PMS can worsen the symptoms of certain chronic conditions, including:

• Asthma and allergies
• Depression and anxiety
• Seizure disorders
• Migraines

Be sure to let your specialist know if your condition gets worse right before your period.

PMS or Something Else?

The symptoms of PMS can be similar to or overlap with other conditions, including:

• Perimenopause
• Depression or anxiety
• Chronic fatigue syndrome
• Thyroid disease

The key difference is that PMS symptoms come and go in a distinct pattern, month after month.

Diagnosing PMS: Symptom Tracker

To figure out whether you have PMS, record your symptoms on a tracking form like this one. You may have PMS if:

• Symptoms occur during the five days before your period.
• Once your period starts, symptoms end within four days.
• Symptoms return for at least three menstrual cycles.

When to See a Doctor

If you have any thoughts of harming yourself, call 911 or seek emergency medical care. You should also see your doctor promptly if your symptoms are causing problems with your job, personal relationships, or other daily activities. This may indicate a more severe form of PMS known as PMDD.

Premenstrual Dysphoric Disorder

Premenstrual dysphoric disorder (PMDD) follows the same pattern as PMS, but the symptoms are more disruptive. Women with PMDD may experience panic attacks, crying spells, suicidal thoughts, insomnia, or other problems than interfere with daily life. Fortunately, many of the same strategies that relieve PMS can be effective against PMDD.

Risk factors for PMDD include a personal or family history of depression, mood disorders, or trauma.

PMS Remedy: Exercise

Exercise can help boost your mood and fight fatigue. To get the benefits, you need to exercise regularly -- not just when PMS symptoms appear. Aim for 30 minutes of moderate physical activity on most days of the week. Vigorous exercise on fewer days can also be effective.

PMS Remedy: Diet Rich in B Vitamins

There's evidence that foods rich in B vitamins may help ward off PMS. In one study, researchers followed more than 2,000 women for 10 years. They found that women who ate foods high in thiamine (pork, Brazil nuts) and riboflavin (eggs, dairy products) were far less likely to develop PMS. Taking supplements did not have the same effect.

PMS Remedy: Complex Carbs

Complex carbohydrates, such as whole-grain breads and cereals, are packed with fiber. Eating plenty of fiber can keep your blood sugar even, which may reduce mood swings and food cravings. Enriched whole-grain products also contain the PMS-fighting B vitamins thiamine and riboflavin.

PMS Remedy: Foods to Avoid

You may be able to reduce PMS symptoms by cutting back on these foods:

• Salt, which can increase bloating
• Caffeine, which can cause irritability
• Sugar, which can make cravings worse
• Alcohol, which can affect mood

PMS Remedy: Stress Relief

Because PMS can cause tension, anxiety, and irritability, it's important to find healthy ways to cope with stress during this time. Different strategies work for different women. You may want to try yoga, meditation, massage, writing in a journal, or simply talking with friends. It also helps to make sure you get enough sleep.

PMS Remedy: OTC Drugs

Over-the-counter pain relievers can ease some of the physical symptoms of PMS, such as breast tenderness, headaches, back pain, or cramps. OTC drugs that work well for these symptoms include:

• Aspirin
• Ibuprofen (Advil, Motrin, Midol Cramp)
• Naproxen (Aleve)

PMS Remedy: Hormone Treatments

Birth control pills prevent ovulation by regulating hormones. This usually leads to lighter periods and may reduce the symptoms of PMS. Other hormonal treatments may include GnRH agonists lupron or nafarelin, or synthetic steroids such as danazol. You may need to try more than one type before you find one that provides sufficient relief.

PMS Remedy: Other Medications

Women with severe mood swings or PMDD may benefit from antidepressants. The most commonly used drugs are known as SSRIs; however, other types of antidepressants are often prescribed to treat PMDD. Antidepressants may be taken for 10 to 14 days before each period or throughout the menstrual cycle. Those prescribed to treat PMS include:

• Fluoxetine (Prozac, Sarafem)
• Paroxetine HCI (Paxil CR)
• Sertraline  (Zoloft)
• Nefazodone (Serzone)
• Clomipramine (Anafranil)

Other treatments for PMS include anti-anxiety medications (Xanax, Buspar) and diuretics (HCTZ, Aldactone).

PMS Remedy: Supplements

Studies suggest the following vitamin and mineral supplements may reduce PMS symptoms:

• Folic acid (400 mcg)
• Magnesium (400 mg)
• Vitamin E (400 IU)
• Calcium (1,000 mg to 1,300 mg)

PMS Remedy: Herbal Extracts

Herbal remedies for PMS have not been well studied, but there is some evidence supporting the use of chasteberry, black cohosh, and evening primrose oil. Check with your doctor before trying these herbs. They may interact with medications or be harmful for people with certain chronic conditions.