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Lower back pain ulcerative colitis. Ulcerative Colitis and Back Pain: Understanding the Connection and Treatment Options

Can ulcerative colitis cause back pain. How does inflammation from UC affect the spine. What are the treatment options for UC-related back pain. How common is back pain in people with ulcerative colitis. What is the link between sacroiliitis and UC.

The Relationship Between Ulcerative Colitis and Back Pain

Ulcerative colitis (UC) is a form of inflammatory bowel disease (IBD) that affects approximately 600,000 to 900,000 people in the United States. While UC primarily causes gastrointestinal issues, it can also lead to back pain in some individuals. This connection between UC and back pain is not widely recognized, but it’s important for patients and healthcare providers to understand.

Why can ulcerative colitis cause back pain? The primary reason is that inflammation related to UC can spread beyond the digestive system and affect other parts of the body, including the joints and spine. This systemic inflammation can lead to various musculoskeletal problems, with back pain being one of the most common symptoms experienced outside the digestive tract.

Prevalence of Back Pain in Ulcerative Colitis Patients

How common is back pain among people with ulcerative colitis? Recent research has shed light on this question. According to findings presented at the 2019 American College of Rheumatology Annual Meeting, chronic axial back pain is observed in nearly 25% of UC cases. This significant percentage underscores the importance of recognizing and addressing back pain as a potential extra-intestinal manifestation of UC.

The study also revealed that axial pain was more likely to occur in older individuals and often manifested after periods of sleep or rest. These findings suggest that age and activity levels may play a role in the development of UC-related back pain.

Mechanisms Behind UC-Related Back Pain

To understand how ulcerative colitis can lead to back pain, it’s crucial to examine the underlying mechanisms. The primary culprit is inflammation, which is the hallmark of UC. When this inflammation extends beyond the colon and rectum, it can affect various parts of the musculoskeletal system, including the spine and surrounding joints.

Axial Spondyloarthritis and Ankylosing Spondylitis

One of the main conditions associated with UC-related back pain is axial spondyloarthritis. This inflammatory arthritis primarily affects the spine and sacroiliac joints. In more severe cases, it can progress to ankylosing spondylitis, a chronic form of arthritis that causes inflammation of the spinal joints and ligaments.

How does axial spondyloarthritis relate to ulcerative colitis? The connection lies in the shared inflammatory pathways. The same immune system dysfunction that triggers inflammation in the colon can also lead to inflammation in the joints and spine. This shared pathogenesis explains why people with UC are at a higher risk of developing these rheumatological conditions.

Sacroiliitis: A Key Element in UC-Related Back Pain

Sacroiliitis, which refers to inflammation of the sacroiliac joint, is another important factor in UC-related back pain. The sacroiliac joint, one of the largest joints in the body, connects the ilium (the largest part of the hip bone) to the sacrum (the triangular bone at the base of the spine). When this joint becomes inflamed, it can cause significant lower back pain.

What is the prevalence of sacroiliitis in UC patients? A study found that 16.9% of UC patients had sacroiliitis, which was significantly higher than in the control group. This percentage was similar to that observed in patients with Crohn’s disease, another form of IBD. These findings highlight the importance of considering sacroiliitis as a potential cause of back pain in UC patients.

Differentiating UC-Related Back Pain from Other Causes

While ulcerative colitis can indeed cause back pain, it’s essential to recognize that back pain can have many other causes. Some common reasons for back pain unrelated to UC include:

  • Muscle strain from improper lifting or overexertion
  • Poor sleeping posture or inadequate mattress support
  • Extended periods of sitting, especially with poor ergonomics
  • Herniated discs or spinal fractures
  • Sciatica
  • Obesity
  • Endometriosis
  • Spinal stenosis
  • Injuries from falls or accidents

How can one differentiate between UC-related back pain and pain from other causes? The key lies in recognizing the patterns and characteristics of UC-related pain. Typically, back pain associated with UC is inflammatory in nature, tends to improve with movement, and may be accompanied by other symptoms of UC flare-ups. However, a proper medical evaluation is essential for an accurate diagnosis.

Diagnosis of UC-Related Back Pain

Diagnosing back pain related to ulcerative colitis requires a comprehensive approach. Healthcare providers must consider the patient’s medical history, symptoms, and perform various diagnostic tests to rule out other potential causes of back pain.

Key Diagnostic Steps

  1. Medical History Review: Assessing the patient’s UC history and the nature of their back pain.
  2. Physical Examination: Evaluating spine mobility, joint tenderness, and other physical signs.
  3. Blood Tests: Checking for inflammatory markers and genetic factors associated with spondyloarthritis.
  4. Imaging Studies: X-rays, MRI, or CT scans to visualize the spine and sacroiliac joints.
  5. Rheumatological Consultation: Specialist evaluation to confirm diagnoses like axial spondyloarthritis or ankylosing spondylitis.

What role do imaging studies play in diagnosing UC-related back pain? Imaging is crucial for visualizing inflammation in the spine and sacroiliac joints. MRI scans are particularly useful for detecting early signs of sacroiliitis and spinal inflammation, even before structural changes become apparent on X-rays.

Treatment Approaches for UC-Related Back Pain

Managing back pain caused by ulcerative colitis often requires a multifaceted approach. The treatment strategy may depend on several factors, including the patient’s age, pain severity, and the extent of spinal inflammation.

Medication-Based Treatments

What medications are commonly used to treat UC-related back pain? The following options are often considered:

  • Nonsteroidal Anti-Inflammatory Drugs (NSAIDs): To reduce pain and inflammation, but used cautiously due to potential gastrointestinal side effects.
  • Corticosteroids: For short-term management of severe inflammation.
  • Disease-Modifying Antirheumatic Drugs (DMARDs): To slow the progression of joint damage.
  • Biologic Agents: Targeting specific inflammatory pathways involved in both UC and spondyloarthritis.

Non-Pharmacological Interventions

Alongside medications, several non-pharmacological approaches can be beneficial:

  • Physical Therapy: To improve spine mobility and strengthen supporting muscles.
  • Gentle Exercise and Stretching: To maintain flexibility and reduce stiffness.
  • Heat Therapy: Applying heat packs to painful areas for relief.
  • Dietary Modifications: To manage UC symptoms and potentially reduce overall inflammation.

How effective are these non-pharmacological interventions? While individual responses may vary, many patients report significant improvement in pain and function with a combination of these approaches. Regular physical activity, in particular, has been shown to be beneficial for both UC and associated back pain.

The Importance of Collaborative Care

Managing UC-related back pain often requires a collaborative approach involving multiple healthcare specialists. This team typically includes gastroenterologists, rheumatologists, and sometimes pain management specialists or orthopedic surgeons.

Why is a multidisciplinary approach crucial for treating UC-related back pain? The complex nature of the condition demands expertise from different medical fields. Gastroenterologists focus on managing the underlying UC, while rheumatologists address the musculoskeletal aspects of the disease. This collaborative effort ensures comprehensive care that addresses all aspects of the patient’s condition.

The Role of Patient Education and Self-Management

Empowering patients with knowledge about their condition is a critical component of effective management. Patients should be educated about:

  • The connection between UC and back pain
  • Early signs of spinal inflammation
  • Proper posture and body mechanics
  • The importance of adherence to treatment plans
  • Lifestyle modifications that can help manage symptoms

How can patients actively participate in managing their UC-related back pain? By staying informed, maintaining open communication with their healthcare team, and adhering to recommended treatments and lifestyle modifications, patients can play an active role in managing their symptoms and improving their quality of life.

Future Directions in Research and Treatment

The field of UC-related back pain is an area of ongoing research and development. Scientists and clinicians are continuously working to better understand the mechanisms linking UC to musculoskeletal problems and to develop more targeted and effective treatments.

Emerging Research Areas

What are some promising areas of research in UC-related back pain? Several avenues are being explored:

  • Genetic studies to identify risk factors for developing spondyloarthritis in UC patients
  • Investigation of shared inflammatory pathways between UC and axial spondyloarthritis
  • Development of new biologic agents targeting specific inflammatory mediators
  • Exploration of the gut-joint axis and the role of the microbiome in UC-related back pain
  • Evaluation of novel imaging techniques for earlier detection of spinal inflammation

How might these research efforts impact future treatments? As our understanding of the connections between UC and back pain grows, we can expect more targeted therapies that address both gastrointestinal and musculoskeletal symptoms simultaneously. This could lead to more effective management strategies and improved quality of life for patients with UC-related back pain.

The Promise of Personalized Medicine

The concept of personalized medicine holds particular promise for managing UC-related back pain. By considering individual genetic profiles, disease characteristics, and response to treatments, healthcare providers may be able to tailor interventions more effectively.

What role might biomarkers play in personalizing treatment? Identifying specific biomarkers associated with an increased risk of developing spondyloarthritis in UC patients could allow for earlier intervention and more targeted therapies. This personalized approach has the potential to improve outcomes and reduce the burden of UC-related back pain.

Living with UC-Related Back Pain: Coping Strategies and Support

For individuals living with UC-related back pain, developing effective coping strategies is crucial for maintaining a good quality of life. While medical treatments are essential, there are several self-management techniques that patients can employ to help manage their symptoms.

Lifestyle Modifications

What lifestyle changes can help manage UC-related back pain? Consider the following strategies:

  • Regular Exercise: Low-impact activities like swimming, yoga, or tai chi can help maintain flexibility and reduce pain.
  • Stress Management: Techniques such as meditation, deep breathing, or mindfulness can help reduce stress-induced inflammation.
  • Sleep Hygiene: Ensuring adequate, quality sleep can help manage pain and fatigue.
  • Ergonomic Adjustments: Modifying your work environment to support good posture can reduce strain on the back.
  • Healthy Diet: Following an anti-inflammatory diet may help manage both UC and associated back pain.

How effective are these lifestyle modifications? While individual responses may vary, many patients report significant improvements in pain levels and overall well-being when incorporating these strategies into their daily routines.

The Importance of Support Systems

Living with chronic conditions like UC and related back pain can be challenging, both physically and emotionally. Having a strong support system is crucial for managing these challenges effectively.

What types of support can be beneficial for individuals with UC-related back pain?

  • Family and Friends: Emotional support and practical help with daily tasks
  • Support Groups: Connecting with others who have similar experiences
  • Mental Health Professionals: Counseling or therapy to address the psychological impact of chronic pain
  • Patient Advocacy Organizations: Resources and education about living with UC and related conditions

How can patients build and maintain effective support systems? Open communication about their needs, actively seeking out support resources, and participating in patient communities can all contribute to building a strong support network.

Navigating Work and Social Life

Managing UC-related back pain can impact various aspects of daily life, including work and social activities. Developing strategies to navigate these areas is essential for maintaining a fulfilling life despite the challenges of chronic pain.

What strategies can help in managing work responsibilities?

  • Open communication with employers about accommodation needs
  • Utilizing flexible work arrangements when possible
  • Taking regular breaks to stretch and change positions
  • Using assistive devices or ergonomic equipment as needed

How can individuals maintain an active social life while managing UC-related back pain? Pacing activities, being open with friends about limitations, and choosing social activities that are comfortable and enjoyable can help maintain social connections without exacerbating symptoms.

By implementing these coping strategies and building strong support systems, individuals with UC-related back pain can improve their quality of life and effectively manage their symptoms. Remember, every patient’s experience is unique, and it may take time to find the right combination of strategies that work best for each individual.

Can Ulcerative Colitis Cause Back Pain and Why?

Ulcerative colitis is a form of inflammatory bowel disease that typically causes gastrointestinal problems. However, UC can also cause back pain. This pain may happen because inflammation related to UC can spread to the joints, including the spine.

Ulcerative colitis (UC) is a form of inflammatory bowel disease (IBD) that affects approximately 600,000 to 900,000 people in the United States.

While many people with UC experience digestive problems, people with this condition may also experience back pain. This is because inflammation related to UC can spread to the joints, including the spine.

Although back pain can be caused by UC, it’s important to remember that back pain can have many causes. If you have back pain that doesn’t go away or doesn’t get better with self-care measures, be sure to see your doctor so they can diagnose the cause and create a treatment plan that’s right for you.

Although UC is often associated with abdominal and rectal pain, it can cause pain outside the digestive system. If you have UC, the lower back is one area where you may feel pain.

Why does ulcerative colitis affect your back?

UC happens when the lining of your colon, rectum, or both, becomes inflamed. But in some cases, this inflammation can affect other parts of your body besides the digestive tract. For instance, inflammation from UC can impact your joints and lead to arthritis.

One type of arthritis that’s common in people with UC is axial spondyloarthritis. This condition, and a more severe type called ankylosing spondylitis, involve inflammation of the spine. Both of these conditions can frequently cause back pain.

Additionally, if you have UC, you may be more likely to develop sacroiliitis, a key element in ankylosing spondylitis. Sacroiliitis is inflammation of the sacroiliac joint. The sacroiliac joint, which is one of the largest joints in the body, connects the ilium (largest part of hip bone) to the sacrum (triangular bone at the base of the spine). When the sacroiliac joint is inflamed, it can cause lower back pain.

Other back pain causes

Although UC can cause back pain, there are also many other reasons why you may experience back pain. For instance, back pain may be caused by:

  • strained muscles from lifting too much weight, not lifting an object correctly, or working out too hard
  • sleeping in an uncomfortable position or on a mattress that doesn’t offer good back support
  • sitting for an extended period of time, especially in a chair that doesn’t offer good back support
  • standing or sitting with poor posture
  • a herniated disk
  • a spinal fracture
  • sciatica, caused by an injury to the sciatic nerve
  • being overweight
  • endometriosis
  • spinal stenosis
  • an injury, such as falling, twisting your body too much, or a blow to the back

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According to results presented at the 2019 American College of Rheumatology Annual Meeting, chronic axial back pain is seen in almost 25% of UC cases. Axial pain was more likely to occur in older people and after sleep or rest.

The researchers estimated that about 10% of IBD patients had axial spondyloarthritis but noted that they needed a larger sample size to be more accurate.

A hallmark of ankylosing spondylitis is sacroiliitis. In one study, 16.9% of the UC patients were found to have sacroiliitis, which was significantly more than the control group but similar to those with Crohn’s disease, another IBD condition.

More research with larger sample sizes is still needed to learn more about the connection between UC and conditions like axial spondyloarthritis and ankylosing spondylitis.

The treatment of back pain that’s caused by UC may depend on several factors, such as your age, level of pain, and severity of spinal inflammation.

Some treatment options may include:

  • anti-inflammatory medications or injections
  • other medications that can target the triggers of inflammation
  • physical therapy to improve movement
  • gentle movement and stretches
  • dietary changes
  • using a heat pack on painful areas
  • surgery, in the most severe cases, and if no other treatment offers pain relief

If you have back pain that’s caused by UC, you may need to work with both a rheumatologist and a gastroenterologist. Treating UC-related digestive issues may help reduce inflammation and ease back pain.

Although ulcerative colitis (UC) primarily causes digestive issues, about 25% of people with UC also experience back pain due to inflammation in the digestive tract that can spread to the spine. Back pain related to UC is often linked to axial spondyloarthritis or ankylosing spondylitis.

If you have UC and experience back pain, be sure to talk with your doctor about your pain. They can work with you to develop a treatment plan to help ease or manage your back pain, whether it’s related to UC or not.

Sacroiliitis and Ulcerative Colitis

Written by Stephanie Watson

  • Where Are My Sacroiliac Joints?
  • What’s the Link With Ulcerative Colitis?
  • Who Gets Sacroiliitis?
  • How Do I Know I Have Sacroiliitis?
  • Medications
  • Other Ways to Manage Pain
  • More

Sacroiliitis is a type of arthritis that inflames the joints in the bottom of your spine. It can lead to pain in your lower back and buttocks. Research suggests you’re more likely to get it if you have inflammatory bowel disease (IBD). Ulcerative colitis is one of two main types of IBD.

The connection between joint pain and ulcerative colitis might not seem obvious. But it’s common for people with IBD to also have problems with their bones and joints. Experts think cells that trigger inflammation may travel from your intestine to your joints.

Doctors don’t always catch sacroiliitis in people with IBD. So be sure to tell them if you have pain in your lower back or buttocks that won’t go away. Not treating sacroiliitis could lead to long-term back stiffness and other problems. That’s on top of any diarrhea, belly pain, and other ulcerative colitis symptoms you already have.

The sacroiliac joints sit in the triangle-shaped area at the bottom of your spine (the sacrum) and connect your lower spine to your pelvis.

Ulcerative colitis causes swelling and sores in the lining of the large intestine. But it also can affect other parts of your body, like your joints, skin, lungs, or eyes.

Doctors call these extraintestinal symptoms, meaning they happen outside of your intestines. Sacroiliitis and other types of joint damage are the most common extraintestinal signs of IBD.

Injuries, arthritis, and infections are the main causes of sacroiliitis, but the condition is also more common in people with IBD. Both IBD and sacroiliitis may share some of the same genes.

You may be more likely to have sacroiliitis if ulcerative colitis affects a large part of your colon or you’ve lived with IBD for many years. One study found a higher rate of sacroiliitis in people who’d had IBD for more than 10 years compared to those who’d had it for 5 years or less.

Pain is the main symptom of sacroiliitis. You’ll feel it in your lower back, buttock, hip, or thigh. Sometimes the pain might spread down your leg and even to your feet.

Back pain can also be a sign of an injury. The difference is that sacroiliitis pain typically lasts for more than 3 months. It’s worse when you first wake up in the morning, and it improves when you move.

If you have lower back pain that’s not getting better, see a rheumatologist. That’s a specialist who diagnoses and treats arthritis. The doctor will do a physical examination and press on parts of your lower back, hips, or legs to find the painful areas.

Another way to diagnose sacroiliitis is with imaging tests like X-ray, magnetic resonance imaging (MRI), or computed tomography (CT). These scans will show if you have any problems in your sacroiliac joint.

Signs of sacroiliitis could show up on an X-ray even before you have any symptoms. Or the doctor might find sacroiliitis accidentally on a CT to check your IBD.

It’s important to treat sacroiliitis, especially if you’re in a lot of pain. The pain can be so intense that some people can’t sleep or they become depressed. In time, the bones of your spine might fuse together and make your back stiff and hard to move.

Nonsteroidal anti-inflammatory drugs (NSAIDs) can help with sacroiliitis pain and inflammation. But these pain relievers may not be a good fit for ulcerative colitis because they can trigger an IBD flare-up.

Steroids and tumor necrosis factor (TNF) inhibitors are better options. In fact, doctors prescribe TNF inhibitors to treat IBD. You get steroids as a shot into your sacroiliac joints. They relieve pain and reduce inflammation.

TNF inhibitors are given through an IV. They work by blocking a protein that causes inflammation in your intestine and joints. TNF inhibitors treat both sacroiliitis and IBD that’s moderate to severe or hasn’t improved with other treatments.

Examples of TNF inhibitors are:

  • Adalimumab (Humira)
  • Certolizumab (Cimzia)
  • Etanercept (Enbrel)
  • Infliximab (Remicade)

Muscle relaxants like cyclobenzaprine (Amrix, Fexmid) ease the muscle spasms sacroiliitis sometimes causes.

Radiofrequency ablation may be an option if these treatments don’t work. It uses heat energy to destroy the nerves that cause pain. Surgery to fuse bones in the spine is usually a last resort if no other treatments help.

Medication isn’t the only way to treat sacroiliitis. Exercise is also an important part. Moderate-intensity aerobic exercises like walking, bike riding, and swimming help to lessen pain and improve movement.

Physical therapy helps, too. A physical therapist can teach you range-of-motion exercises to stretch your sacroiliac joints and strengthen the muscles around them.

When your back hurts, try holding a cold pack or heating pad to the area. Use whichever one feels best, or go back and forth between warmth and cold.

Rest when you need to, and avoid any activities that worsen pain.

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Pain in the lumbar region in your city

05/24/2017

Before you start drinking medicines that are not always safe and effective, you need to establish the cause that caused this condition, which can be done at the Medelekt clinic using the services of experienced doctors.

Sharp pain in the lumbar region will require urgent treatment, since you need to quickly stop an unpleasant symptom – this may be a sign of a fracture of the spinal vertebrae, the onset of the development of rheumatoid arthritis, tuberculosis, an infectious disease, tumor formation, etc.

Treatment of back pain in the lumbar region can be carried out only after the exact cause has been established that provoked this condition. The nature and duration of discomfort may indicate the development of serious diseases that require rapid diagnosis and subsequent therapy.

If there are back pains that radiate to the leg, treatment is not always accompanied by drug therapy. Unpleasant sensations in the lower back often indicate chronic, primary, secondary and acute diseases. Localization of pain can be behind the left, give to the leg, lower abdomen or buttocks.

Given the cause that provoked the pain, it can be aching, dull, sharp, burning and spread to the entire lumbar region, and sometimes localization occurs only at one point.

If pain in the lumbar region occurs in women and is accompanied by discomfort in the lower abdomen, it is necessary to additionally consult a gynecologist, after which a neurologist and a surgeon are examined. To establish an accurate diagnosis, tests and ultrasound are prescribed, as a result, kidney dysfunction, rheumatoid arthritis, adnexitis, ovarian disease, colon tumor, inflammation of the bladder, ulcerative colitis, or malfunctions of the rectum or intestines can be determined.

A symptom such as pain in the lower part of the spine, which radiates to the region of the left buttock and leg, prevents you from bending freely, may indicate muscle strain. However, when this symptom is accompanied by a feeling of numbness on the toes, increased pain during sneezing, the appearance of goosebumps, neuroradicular syndromes can provoke this condition. If the lower back bothers for several days and the discomfort does not subside, it is necessary to seek help from a doctor as soon as possible, undergo a full examination and course of treatment.

The spine is subjected to serious stress every day, which as a result can lead to severe pain in the lumbar region. It is important to remember that any, even minimal pain, can be the first sign of a serious pathology that requires early diagnosis and immediate treatment. In cases where the lower back constantly hurts, this can be caused by diseases such as osteochondrosis, intervertebral tumor, Reiter’s syndrome, scoliosis, etc.

If the patient complains of pain in the left side of the lower back, this symptom often manifests itself with irritation of the nerve fibers or strong muscle tension. The reason that provoked such discomfort is one of the problems associated with the state of the nervous system and spine – in this case, immediate and qualified specialist assistance is required.

Lower back pain? Do not put off a visit to the doctor – FSBI “NMIC TPM” of the Ministry of Health of Russia

Usually we associate back pain with the words “sciatica” or “osteochondrosis”. Indeed, these diseases lead to pain, but are by no means the main ones. In more detail about what back pain can be associated with and why it is important to see a doctor, says the head of the neurological department of the Federal State Budgetary Institution National Research Center for Preventive Medicine of the Ministry of Health of Russia, Ph.D. Sofia Gennadievna Zhdanova.

In more than 50% of cases, the cause of pain is problems with the muscles and ligaments surrounding the spine, such pain is usually moderate, aching or pulling in nature, aggravated by movements that create a load on the sore muscle. Predisposing moments for the appearance of such pains are hypothermia, unusual physical activity, sedentary work, poor posture, scoliosis.

BACK PROBLEMS OR…

Of course, you can treat your back with home remedies, but it’s still better to turn to specialists. First of all, see a neurologist. But it is worth remembering that pain often occurs in connection with various lesions of the internal organs located at the level of the sacrum and lower back.

Diseases of the urinary system (cystitis, pyelonephritis, and especially urolithiasis) are most often manifested by pain in the lower back. Moreover, the pain can be so acute that you rush to call an ambulance even without our recommendations.

People with gastric and duodenal ulcers experience pain in the lumbar region in 75% of cases. Another disease of the gastrointestinal tract, in which the back can hurt, is acute pancreatitis. The pain is girdle in nature, localized in the region of the right or left hypochondrium, radiating to the back.

Sometimes back pain radiating to the lower back occurs with acute appendicitis. This is mainly characteristic of cases where the appendix (appendix) is located behind the caecum. Of course, this is only one of the complaints, and the main symptoms are fever, peritoneal irritation, and upset stool.

In diseases of the female genital organs, along with pain in the lower abdomen, pain in the sacro-lumbar spine may occur. Moreover, it can disturb you periodically during menstruation, during sexual intercourse, or be long-term and become chronic.

In most cases of low back pain, it makes sense to do an ultrasound of the pelvic organs. For example, painful sensations can be provoked by volumetric formations of the ovaries located behind the uterus.

With uterine myoma, the nature and location of pain depend on the location of the node in the uterus, its size, and are caused by stretching of the peritoneum, compression of the nerve plexuses of the small pelvis. Often severe and prolonged pain in uterine fibroids is associated with its rapid growth.

However, acute pain may indicate a violation of the blood supply to the myoma node and requires emergency medical attention.

In endometriosis, pain occurs as a result of inflammation, adhesions and tissue fibrosis with the growth of endometriotic lesions.

When the internal genital organs are prolapsed, the patient is troubled by a pulling pain in the lumbosacral region, which is aggravated by walking, physical exertion and heavy lifting.