Anismus: Symptoms, Reasons, and Treatment Options

Written by Medicover Team and Medically Reviewed by Dr Venkata Ranga Reddy Valluru , Gastroenterologists Medical

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Anismus is a condition that affects the ability to properly coordinate the muscles involved in bowel movements. This can lead to difficulty in passing stool effectively. The causes of anismus can vary and may be related to issues with the pelvic floor muscles or nerves that control bowel movements.

Understanding the underlying factors contributing to anismus can help healthcare providers develop appropriate treatment plans to address the root cause of the condition. By addressing these factors, individuals may experience improvements in their bowel function and overall quality of life.

What Are the Types of Anismus?

Primary anismus is a type of pelvic floor dysfunction where the muscles around the rectum do not relax properly during defecation, leading to difficulty in passing stool.
Secondary anismus can occur as a result of conditions such as irritable bowel syndrome (IBS), pelvic organ prolapse, or previous pelvic surgery, causing similar symptoms as primary anismus.
Functional anismus is characterized by the inability to coordinate the pelvic floor muscles effectively during bowel movements, often due to psychological factors or improper toileting habits.
Outlet obstruction constipation is a type of anismus where there is a physical blockage in the rectum or anal canal, leading to difficulty in passing stool despite normal muscle function.

What Are the Symptoms of Anismus?

Anismus can lead to symptoms like difficulty passing stool, straining during bowel movements, feeling like the bowels are not fully emptied, and abdominal pain. Other common signs include constipation, bloating, and a sense of incomplete evacuation. If you experience these symptoms, it's important to consult with a healthcare provider for proper evaluation and management.

Difficulty passing stool, feeling like you can't fully empty your bowels.
Straining during bowel movements, even with soft stools.
Feeling like you need to push harder or for longer periods to have a bowel movement.
Pain or discomfort in the rectum or pelvis while trying to have a bowel movement.
Frequent constipation despite a healthy diet and regular exercise.

What Are the Causes of Anismus?

These issues can lead to dysfunction in the muscles of the pelvic floor, affecting the ability to properly relax and contract during bowel movements, resulting in difficulty with defecation.

Anismus can be caused by underlying pelvic floor disorders, such as pelvic floor muscle dysfunction or rectal prolapse.
Chronic constipation or fecal impaction can lead to anismus due to prolonged strain on the pelvic muscles during bowel movements.
Neurological conditions, like multiple sclerosis or spinal cord injury, may disrupt the normal coordination of pelvic muscles, resulting in anismus.
Psychological factors, such as anxiety or stress, can contribute to anismus by causing tension in the pelvic floor muscles and interfering with normal bowel function.
Previous pelvic surgeries or trauma to the pelvic area can result in anismus by affecting the structural integrity or function of the pelvic floor muscles.

When to See a Doctor for Anismus?

Anismus can cause chronic constipation, painful defecation, and a constant feeling of incomplete bowel emptying. These symptoms may disrupt daily life, lead to straining, and increase the risk of complications requiring timely evaluation by a gastroenterologist or colorectal surgeon.

You should see a doctor if you have:

Persistent constipation despite diet or lifestyle changes
Difficulty passing stool with excessive straining
Feeling of incomplete bowel evacuation regularly

Get medical help immediately if:

Severe abdominal pain with inability to pass stool
Rectal bleeding or sudden worsening of symptoms
Signs of bowel obstruction like vomiting and swelling

These could be signs of a serious complication like a Anismus, which needs urgent care.

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How is the Diagnosis of Anismus Done?

Diagnosing anismus involves a thorough evaluation by a healthcare provider, including a detailed medical history and physical examination. Specialized tests like anorectal manometry or defecography may be needed to confirm the diagnosis. These tests help identify issues with the muscles in the pelvic floor that could be causing difficulty with bowel movements. Treatment options can then be tailored based on the specific findings.

Digital rectal examination (DRE) is a common diagnostic method for anismus, where a healthcare provider manually assesses the strength and coordination of pelvic floor muscles.
Anorectal manometry is a test that measures the pressure in the rectum and anal sphincter muscles to evaluate the function of the pelvic floor muscles in patients with anismus.
Defecography, also known as a defecogram, is a radiologic imaging test used to evaluate the rectum and pelvic floor muscles during defecation to identify any abnormalities contributing to anismus.
Magnetic resonance imaging (MRI) can provide detailed images of the pelvic floor muscles and surrounding structures to help identify any structural issues.

What is the Treatment for Anismus?

Treatment options for anismus include biofeedback therapy, pelvic floor physical therapy, relaxation techniques, and lifestyle modifications. In some cases, medications or Botox injections may be recommended. Surgery may be considered for severe cases that do not respond to other treatments. It is important to consult a healthcare provider for a personalized treatment plan tailored to your specific condition and needs.

Biofeedback therapy is a non-invasive treatment option for anismus that helps patients learn to control and coordinate the muscles involved in bowel movements through real-time feedback, improving their ability to relax the pelvic floor muscles.
Pelvic floor physical therapy involves exercises and techniques to help strengthen and relax the pelvic floor muscles, which can be beneficial for individuals with anismus by improving muscle coordination and function.
Botox injections into the anal sphincter muscle can help relax the muscle temporarily, making it easier for patients with anismus to have bowel movements by reducing the excessive contraction and allowing for better muscle coordination.
Dietary modifications such as increasing fiber intake, staying hydrated, and avoiding trigger foods can help.

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What to Expect During Recovery from Anismus?

Recovery from Anismus depends on the severity of the condition, its underlying cause, and the response to treatment. With appropriate therapy, many individuals experience significant improvement in bowel function and relief from chronic constipation. Recovery often requires a combination of lifestyle changes, pelvic floor rehabilitation, and ongoing medical care.

Improved bowel movements: Biofeedback therapy and pelvic floor exercises help retrain the muscles to relax during defecation.
Dietary changes: A high-fiber diet, adequate fluid intake, and regular meal patterns support healthy bowel function.
Pelvic floor rehabilitation: Physical therapy can improve muscle coordination and reduce straining during bowel movements.
Medication support: Stool softeners or laxatives may be used temporarily if recommended by a healthcare provider.
Regular follow-up: Ongoing evaluation by a gastroenterologist or colorectal specialist helps monitor progress and adjust treatment.
Gradual recovery: Symptom improvement may take several weeks to months, particularly with consistent biofeedback therapy.
Good long-term outlook: Most patients achieve better bowel function and improved quality of life with appropriate treatment and adherence to lifestyle recommendations.

Frequently Asked Questions

1. What early signs should I look for with anismus?

Early signs of anismus may include difficulty passing stools, feeling of incomplete emptying, straining during bowel movements, and pelvic pain.

2. What precautions should be taken for anismus?

For anismus, avoid straining during bowel movements, maintain a high-fiber diet, stay hydrated, and consider pelvic floor physical therapy.

3. Are there any risks associated with untreated anismus?

Untreated anismus can lead to chronic constipation, rectal pain, and difficulty with bowel movements. Seeking treatment is essential to prevent complications.

4. What treatment options are available for anismus?

Treatment options for anismus may include biofeedback therapy, pelvic floor physical therapy, medication, Botox injections, and surgery in severe cases.