Dysmenorrhoea

Period pain, also known as dysmenorrhoea, is a prevalent symptom that affects a significant number of women during their menstrual periods. This condition is marked by a distinct throbbing or cramping sensation in the lower abdomen, often accompanied by other symptoms that can substantially disrupt daily life and activities. Understanding the causes, symptoms, and available treatment options for dysmenorrhoea is crucial for effective management of this condition.

What is Dysmenorrhoea?

Dysmenorrhoea, also known as period pain, is the pain and discomfort experienced by women during their menstrual cycle (Nagy et al., 2023). It is caused by the contraction of the uterus to expel the menstrual blood and tissue. 

The pain can range from mild to severe and may be accompanied by other symptoms such as nausea, vomiting, and diarrhoea. While some level of discomfort is normal, severe pain that interferes with daily activities may indicate an underlying condition that requires medical attention.

The symptoms of period pain can vary in intensity and duration from woman to woman. Some of the common symptoms associated with dysmenorrhoea include:

• Pain in the lower back and thighs: The cramping sensation in the lower abdomen can radiate to the lower back and thighs, causing additional discomfort and stiffness.
• Nausea and vomiting: Some women may experience nausea and vomiting during their menstrual cycle, which can be triggered by the increased levels of prostaglandins and contractions in the uterus.
• Sweating: Hormonal changes and the body's response to pain and discomfort can cause sweating during menstruation.
• Faintness and dizziness: Severe pain, along with nausea and vomiting, can lead to feelings of dizziness and lightheadedness.
• Diarrhoea: Hormonal fluctuations and increased prostaglandin levels can alter bowel habits, leading to diarrhoea or loose stools.
• Constipation: Some women may experience constipation due to slowed gut motility and water absorption during their menstrual cycle.
• Bloating: Water retention and hormonal changes can contribute to bloating during menstruation.
• Headaches: The release of prostaglandins can cause blood vessel constriction and lead to headaches.

Recognising these symptoms can help women identify dysmenorrhoea and seek appropriate management strategies.

Various factors can cause period pain. The primary cause is related to the natural contractions of the uterus during menstruation. These contractions are triggered by prostaglandins, which are hormone-like substances produced by the uterus. Prostaglandins can cause pain and inflammation in the uterine muscles.

Several underlying conditions can also contribute to period pain. These include:

• Endometriosis: This condition occurs when tissue similar to the uterine lining grows outside the uterus, often on the fallopian tubes, ovaries, or pelvic cavity (Hopkins Medicine).
• Uterine fibroids: These are noncancerous growths within the uterus that can cause pain and interfere with normal menstruation.
• Adenomyosis: In this condition, the tissue lining the uterus grows into the muscular walls of the uterus, leading to inflammation, pressure, and pain.
• Pelvic inflammatory disease (PID): This is an infection of the female reproductive organs, often caused by sexually transmitted bacteria. It can lead to inflammation and pain (Dysmenorrhea, 2019)
• Cervical stenosis: This condition is characterised by an abnormally small opening of the cervix, which can slow menstrual flow and cause increased pressure inside the uterus, resulting in pain.
• Premenstrual syndrome (PMS): Hormonal changes before menstruation can cause symptoms like bloating, breast tenderness, mood swings, and pain.

Certain factors can increase a woman's risk of experiencing period pain. These risk factors include:

• Age (under 30 years)
• Family history
• Smoking
• Heavy bleeding during menstruation 
• Irregular menstrual bleeding (metrorrhagia)

Who's at Risk?

Some women are more susceptible to experiencing period pain than others. These include:

• Women who started menstruating at a young age (younger than 12 years)
• Those who have never given birth
• Women with heavy menstrual bleeding (menorrhagia)
• Those with irregular menstrual cycles
• Women who smoke or consume excessive alcohol
• Those with a family history of painful periods
• Women who are overweight or obese
• Those who experience high levels of stress

Recognising these risk factors can help women take preventive measures and seek appropriate treatment for period pain.

While period pain itself is not a serious health concern, it can sometimes be a sign of an underlying condition that requires medical attention. 

• Endometriosis: This condition occurs when tissue that normally lines the uterus grows outside the uterus, causing pain and other symptoms.
• Fibroids: These noncancerous growths in the uterus can cause heavy bleeding and pain during menstruation.
• Pelvic inflammatory disease (PID): This infection of the female reproductive organs can cause severe pain and lead to fertility issues if left untreated.
• Adenomyosis: In this condition, the uterine lining grows into the uterine muscular walls, causing inflammation, pressure, and pain.
• Cervical stenosis: A narrowing of the cervical opening can impede menstrual flow, leading to painful pressure inside the uterus.

In rare cases, severe period pain may also be a symptom of reproductive cancers, such as ovarian or uterine cancer. If you experience persistent or worsening period pain, it is essential to consult a doctor for proper diagnosis and treatment.

Preventing period pain involves making lifestyle changes and adopting various techniques to reduce discomfort. Some effective strategies include:

• Engaging in regular exercise: Gentle physical activities like yoga, swimming, walking, or cycling can help alleviate menstrual cramps by promoting blood flow and releasing endorphins, the body's natural pain-relieving chemicals.
• Maintaining a balanced diet: Consuming a diet rich in fruits, vegetables, whole grains, and lean proteins can help manage period pain. Foods high in omega-3 fatty acids, vitamin B6, and magnesium may be particularly beneficial in reducing inflammation and cramping.
• Staying hydrated: Drinking enough water throughout the day can help reduce bloating and discomfort associated with menstrual cramps.
• Managing stress: Practising stress-relief techniques such as meditation, deep breathing exercises, and yoga can help relax the body and mind, thereby mitigating pain perception.

By incorporating these preventive measures into your daily routine, you can minimise the severity and frequency of period pain.

Diagnosing period pain typically involves a comprehensive evaluation by a doctor. This includes:

• Medical history: Your doctor will review any underlying health conditions, previous surgeries, or medications that could be contributing to your period pain.
• Physical examination: This includes a pelvic exam to check for abnormalities in the reproductive organs. The examination may reveal signs of infection, tumours, or structural issues within the pelvis.
• Ultrasound: This imaging test helps visualise the reproductive organs and identify structural abnormalities, such as ovarian cysts, fibroids, or adenomyosis.
• Laparoscopy: If endometriosis or other intra-abdominal pathology is suspected, a laparoscopy may be performed. This minimally invasive surgical procedure allows direct visualisation of the pelvic organs and can confirm or rule out conditions like endometriosis.
• Blood tests: Blood tests can be used to check for signs of infection, anaemia, or hormonal imbalances that may contribute to the pain.

There are several approaches to managing period pain, depending on the severity of your symptoms and the underlying cause. Some common treatment options for period pain include:

1. Pain Relief Medications

Nonsteroidal anti-inflammatory drugs (NSAIDs) are the first-line treatment for menstrual pain and are recommended for at least 2–3 menstrual cycles. They work by reducing prostaglandin production, which lowers prostaglandin levels in menstrual fluid. This leads to less uterine cramping and may reduce menstrual flow. Common NSAIDs include Diclofenac, Ibuprofen, Ketoprofen, and Mefenamic acid.

These medications are most effective when taken at the onset of pain or just before menstruation begins and continued for around 2–3 days. While generally safe, possible side effects include nausea, vomiting, and heartburn.

2. Combined Oral Contraceptive Pills (COCs)

COCs are the second-line treatment when NSAIDs alone are not enough. They contain oestrogen and progesterone, which suppress ovulation and lower prostaglandin levels. This provides relief from heavy, painful, or irregular periods. These hormones can be administered as pills, skin patches, vaginal rings, or hormonal intrauterine systems (IUS).

3. Progestin-Only Methods

Progestin-only treatments are especially effective for secondary dysmenorrhoea, particularly when caused by conditions like endometriosis. They work by thinning the uterine lining and preventing ovulation. The prescribed medications include Desogestrel, Medroxyprogesterone, an Intrauterine levonorgestrel-releasing system (IUS), and an Etonogestrel subdermal implant.

4. Heat therapy

Applying a heating pad or hot water bottle to your lower abdomen can help relax the uterine muscles and ease pain.

5. Relaxation techniques

Engaging in activities like yoga, meditation, or deep breathing exercises can help manage stress and promote relaxation, thereby reducing pain perception.

While mild to moderate period pain is common, severe or debilitating cramps warrant medical attention. If you experience intense pain that disrupts your daily activities or does not respond to over-the-counter medications, it is crucial to consult a doctor. 

Additionally, seek medical advice if you notice prolonged or heavy bleeding, as this may indicate an underlying condition such as endometriosis. Your doctor can help diagnose the cause of your severe period pain and recommend appropriate treatment options.

• Dysmenorrhoea, or period pain, is a prevalent symptom experienced by many women during menstruation.
• NSAIDs and paracetamol are commonly used medications to alleviate menstrual cramps.
• Applying heat therapy, such as using heat pads or taking warm baths, can help ease discomfort.
• Engaging in gentle exercises like yoga, swimming, walking, or cycling may help reduce symptoms.
• If period pain becomes severe or interferes with daily life, it is essential to seek medical attention for proper diagnosis and treatment.