Dysmenorrhea ⁄ Menstrual Pain Causes Symptoms Diagnosis Treatment Prevention FAQs

Menstrual Cramps/Dysmenorrhea

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What is Dysmenorrhea?

Dysmenorrhea means painful periods. It is the most commonly reported menstrual disorder. Most women suffer mild discomfort and pain in the lower abdomen before and during their periods.

However, for some the discomfort and cramping may be severe enough to disrupt their daily activities and routine for a few days every month.

Menstrual Cramps/Dysmenorrhea

What are the Types of Dysmenorrhea?

Dysmenorrhea is of two types
  • Primary
  • Secondary
Primary dysmenorrhea is defined as painful menstruation for which no underlying pelvic pathology can be ascertained.

The pain is usually maximum on the first day of the cycle and then reduces in severity.

Primary dysmenorrhea is generally seen in younger girls soon after they attain menarche. 

The symptoms of primary dysmenorrhea generally improve with age and following childbirth.

Secondary dysmenorrhea is painful menstruation associated with an underlying pelvic abnormality such as endometriosis, uterine fibroid, or pelvic inflammatory disease (PID).

During each cycle, the pain begins even before the onset of menstrual flow and may continue even after it ends.

Symptoms of secondary dysmenorrhea begin at a later age compared to primary dysmenorrhea.  Also the symptoms tend to get worse over time instead of improving.

What are the Symptoms of Dysmenorrhea?

Symptoms of dysmenorrhea include
  • Throbbing or cramping pain in the lower abdomen that may be severe
  • Dull, constant pain throughout
  • Pain that radiates to lower back and thighs

Other associated symptoms

  • Diarrhea
  • Headaches
  • Giddiness
  • Nausea
Nausea - Symptom Associated with Dysmenorrhea

What are the Causes of Dysmenorrhea?

A. Primary Dysmenorrhea
  • Chemicals called prostaglandins have been implicated in the pathogenesis of primary dysmenorrhea.
  • Prostaglandins are naturally occurring chemicals occurring in the lining of the uterus. The major prostaglandin involved is Prostaglandin F2α.
  • Women with primary dysmenorrhea are found to have elevated levels of prostaglandins in their uterus.
  • Prostaglandins cause pain and cramps by the following mechanisms
1.  Contraction of uterine muscle leading to pain 

2.  Cause narrowing of the uterine blood vessels (vasoconstriction), reducing oxygen supply to the uterine tissues causing pain.
  • Behavioral and psychological factors are also thought to play a role, though yet to be fully understood.
1.  A recent study conducted and published by Massachusetts General Hospital (MGH) Center For Women's Mental Health on January 25, 2016 has found a correlation between PMS and dysmenorrhea in adolescence.

2.  A study published in the J Pediatr Adolesc Gynecol. 2014 Dec;27(6):371-4, and titled Is there a relationship between mood disorders and dysmenorrhea’has concluded that adolescent girls with dysmenorrhea have increased risk of depression and anxiety.

These results are important in emphasizing the importance of a multidisciplinary approach to primary dysmenorrhea follow-up and treatment.

B. Secondary Dysmenorrhea

Prostaglandins may play a role in secondary dysmenorrhea, but an underlying pelvic abnormality is always present. The common causes of secondary dysmenorrhea include:
  • Uterine fibroids – benign growths in the wall of the uterus
  • Adenomyosis -  the lining of the uterus occurs abnormally in the muscle layer of the uterus
  • Pelvic inflammatory disease (PID) -  caused by bacterial infection of the genital tract.
  • Cervical stenosis – the opening of the cervix is narrow and hinders the menstrual flow causing pain.
  • Endometriosis – when the uterus lining (endometrium) is found in ectopic sites like ovaries, tubes and pelvic wall.
Endometriosis - Cause of Secondary Dysmenorrhea

How do you Diagnose Dysmenorrhea?

Primary Dysmenorrhea

No tests are specific to the diagnosis of primary dysmenorrhea. The diagnosis is usually made on the basis of history and clinical findings.

Secondary Dysmenorrhea

Diagnostic studies may be indicated to elucidate the cause of secondary dysmenorrhea.

These include:
  • Blood tests to rule out an infectious process in the pelvic organs.  These include a Total Count (TC) and a Differential Count (DC).
  • Bacteriological tests to rule out sexually transmitted diseases (STD)and pelvic inflammatory disease (PID). 
  • Urinalysis to exclude urinary tract infection (UTI)
  • Abdominal or transvaginal ultrasound to exclude abnormalities in the cervix, uterus, tubes and ovaries.
Transvaginal Ultrasound - Dysmenorrhea Diagnosis
  • CT and MRI -  They are NOT routine investigations for dysmenorrhea. They may be needed to detect lesions that are missed by other imaging procedures such as ultrasound.
  • Rarely a diagnostic laparoscopy may be necessary to survey the pelvic organs and assess any abnormalities like endometriosis.

How do you Treat Dysmenorrhea?

The following modalities of treatment are generally recommended.

A. Pain Relief Medications
  • Certain groups of drugs termed Non-Steroidal Anti-inflammatory Drugs (NSAIDs) inhibit the effects of prostaglandins and are effective in the management of dysmenorrhea.  They should be taken as soon as the cramps start or the periods begin.  They have to be taken for 1-2 days. 
  • Women with aspirin allergy, asthma, bleeding disorders, stomach disorders (gastritis), ulcers, or liver disease should avoid taking NSAIDs.
  • Other drugs that are useful in dysmenorrhea, include aspirin and acetaminophen
  • People who are unable to take NSAIDs may also be prescribed COX-2 inhibitors.
B. Birth Control Pills
  • Oral contraceptive pills  (OCP’s) contain hormones (combination of estrogen and progesterone) that prevent ovulation and reduce the severity of menstrual cramps. They also decrease menstrual flow. 
  • These hormones can also be given as an injection, a skin patch, an implant placed under the skin of  arm, a flexible ring inserted into the vagina, or an intrauterine device (IUD).
  • OCP’s may be an appropriate choice for patients who do not wish to have children.

Other Drugs and Newer Modalities of Treatment

Many newer drugs and interesting modalities of treatment have been studied in the management of dysmenorrhea.  However, more studies have to be conducted for definitive proof of their efficacy.

An article was published in Am Fam Physician. 2012 Feb 15;85(4):386-387 titled ‘Dysmenorrhea’.

This article has taken excerpts from the Clinical Evidence Handbook, published by the BMJ Publishing Group, London, U.K. This study has compared the benefits of various treatments of dysmenorrhea as follows.
EfficacyType of treatment
BeneficialNonsteroidal anti-inflammatory drugs (other than aspirin)
Likely to be beneficialAspirin and paracetamol combination


Behavioral interventions (relaxation)

Contraceptives (combined oral)

Herbal remedies other than toki-shakuyaku-san


Vitamin E

Topical heat (about 102°F [39°C])

Transcutaneous electrical nerve stimulation (high-frequencystimulation only; effects of low-frequency stimulation remain unclear)
Unknown efficacyAcupuncture

Fish oil


Progestogens (intrauterine)

Vitamin B12
Unlikely to be beneficialSpinal manipulation
Likely to be ineffective or harmful
Surgical interruption of pelvic nerve pathways
C. Surgery
  • If the menstrual cramps are caused by an underlying disorder, such as endometriosis, cervical stenosis or fibroids, surgery to correct the problem may be necessary to Get rid of the symptoms.
  • Surgical removal of the uterus (hysterectomy) also may be an option in women who have completed their family or in those who do not want to have children.
Surgical Interventions to Treat Dysmenorrhea
  • A surgical procedure called uterine artery embolization (UAE) may be done if uterine fibroids are causing the dysmenorrhea but this is rarely required.

How do you Prevent Dysmenorrhea?

Yoga Helps Alleviate Dysmenorrhea
  • Certain foods can reduce abdominal cramps and may work for some and these include - bananas, wheat germ, sunflower seeds, oats, parsley, salmon, dark chocolate, pineapple seeds, ginger, fenugreek seeds, spinach and green tea

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decrease intake of sugar...really? i thought sugar or anything sweet helps minimize the pain. Coz i find soda and especially dark chocolate, to be very helpful. I swear on dark chocolates to be an instant pain-reliever, but unfortunately, its also temporary! Well, just gotta eat more i guess..
bolayski Monday, December 3, 2012
hope that this kind of sickness in me would gone and would never be back again,,,,since then I've been having this,,,and it hurts a lot
janice123 Thursday, February 9, 2012
when you believe,it will ok. the life is continu...
pellucid1985 Tuesday, September 11, 2012
I am one of those lucky women who have not experienced dysmenorrhea! If you're a woman and your dysmenorrhea is so painful that it disrupts your daily routine, better to have yourself checked by a doctor, specifically an OB-GYN. You might have an underlying problem that contributes to the dysmenorrhea.
ennairam_23 Thursday, March 17, 2011
how to get immediate menses.please suggest me
sriee Tuesday, December 28, 2010
my sister-in-law and my bff took this product that helped them..
mrcdt Tuesday, January 17, 2012
Well I tried all of the above and none of them work. So I'm managing with painkillers. This list needs to be updated
honey007rmsas Thursday, March 5, 2009
u can contact me for suggestions..

mrcdt Tuesday, January 17, 2012
The use of Anion / Love Moon sanitary napkin may reduce the pain. It's made of cotton(First layer using ultra thin cotton to make it comfortable & dry to prevent the skin from wetness. Middle layer: high effective powerful absorbent material, coagulate liquid to jelly, prevent sticky feeling on surface. Bottom layer: made of breathable material: makes wetness in air form get through easily in order to achieve wetness releasing purpose, reduce wetness, maintain dry, fresh & breathable, plant gel, Anion chip(patent-enhance immunity, remove toxin&anti germs, control odor), completed with vaginal inflamation self-test card(patent). Many sanitary napkins are made of recycle paper & bleaching that can cause CA Cervixs
duway Thursday, January 1, 2009
These dont work in curbing pain at all
guest Wednesday, April 1, 2009

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