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  1. An inflammation of one or both of the immovable joints formed by the bones of the pelvis called sacrum and the ilium. This causes stiffness or pain in the lower back, hip, and legs.
    Condition Highlight
    Urgent medical attention is usually recommended by healthcare providers
    How common is condition?
    Rare (Fewer than 200,000 cases per year in US)
    Is condition treatable?
    Treatable by a medical professional
    Does diagnosis require lab test or imaging?
    Requires lab test or imaging
    Time taken for recovery
    Can last several months or years
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    Causes

    Verified Expert

    • The causes include:
    • Traumatic injury such as accident
    • Spondyloarthropathies such as ankylosing spondylitis and psoriatic arthritis
    • Infections of the sacroiliac joint, or other Infections such as urinary tract infection
    • Tuberculosis of the bone
    • Gout
    • Osteoarthritis (degenerative arthritis), osteomyelitis
    • The risk factors include:
    • Existing back and spine issues
    • Illicit drug use
    • Urinary Tract infection
    • Pregnancy which can lead to alerted gait the added stress can lead to wearing of the joints

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    Symptoms

    Verified Expert
    Seek immediate medical attention if you experience symptoms.

    The symptoms include:

    • Low grade fever
    • Hip pain, back pain, pain in the legs, buttocks
    • Pain that gets worse after sitting for long
    • Pain that gets worse while going up or down the stairs

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    Diagnosis

    Verified Expert
    One or more of these tests may be recommended by your medical provider.
    Diagnosis require several tests as the symptoms overlap with many other conditions.

    Common tests & procedures

    Physical examination: The doctor may apply pressure on the hips and buttocks, move legs in various directions so as to gently put pressure in the sacroiliac joint.

    X-ray: X-ray of the pelvis help observe damages to the joints.

    MRI scan: MRI scan of the pelvis is most commonly used to diagnose the condition.

    Anesthetic injections: Anesthetic injection is made into the sacroiliac joint; if the pain stops after the injection, this can be an indication of the sacroiliitis.

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  1. Chronic SI joint pain12345:
    • Occurs in an estimated 15–30% of people with chronic lower back pain.
    • Can be caused by trauma or degeneration.
    • Symptoms include pain and stiffness in the buttocks or lower back, which might go down one or both legs.
    • Treatment options include physical therapy and over-the-counter pain medication.
    Learn more:
    SI joint pain occurs in an estimated 15–30% of people with chronic lower back pain. However, the complex nature of the SI joint makes identifying and treating SI joint pain difficult. In this article, we discuss the symptoms, risk factors, treatment, and complications of SI joint pain.
    www.medicalnewstoday.com/articles/si-joint-pain
    Sacroiliac (SI) joint dysfunction and associated pain can be caused by a specific traumatic event (disruption) or can develop over time (degeneration). Possible SI causes include chronic low back pain, previous lumbar surgery, and post-partum pain.
    si-bone.co.uk/patients/si-joint-diagnosis/si-joint-pai…
    Sacroiliitis happens when something irritates the joint where your spine meets your pelvis. Arthritis is the most common cause, especially ankylosing spondylitis. Typical reatments are physical therapy and over-the-counter pain medication. Inflammation of one or both of your sacroiliac joints.
    my.clevelandclinic.org/health/diseases/17736-sacr…
    Sacroiliac (SI) joint dysfunction or inflammation can cause sacroiliac joint pain that mimics other conditions such as degenerative hip disease, bursitis, disc herniation, or pinched nerves. Symptoms of SI joint dysfunction vary widely depending on the individual and the underlying cause.
    www.spinemd.com/conditions/sacroiliac-joint-dysf…
    Sacroiliitis (say-kroe-il-e-I-tis) is a painful condition that affects one or both sacroiliac joints. These joints sit where the lower spine and pelvis meet. Sacroiliitis can cause pain and stiffness in the buttocks or lower back, and the pain might go down one or both legs.
    www.mayoclinic.org/diseases-conditions/sacroiliiti…
     
  2. Sacroiliac (SI) Joint Dysfunction: Chronic Pain, Flares, Relief

     
  3. Sacroiliitis - Symptoms and causes - Mayo Clinic

  4. Sacroiliitis: Causes, Symptoms & Treatment Options - Cleveland …