Fever and lumbar pain occurred on the same day similar to Case 1. Inpatient treatment was provided for pneumococcal bacteremia. [ncbi.nlm.nih.gov]

Tell your doctor if you have signs such as fever, bruising, bleeding easily, or paleness. OTHER CONSIDERATIONS TO TELL YOUR DOCTOR Tell your doctor if you are allergic to rubber or latex. The needle cover contains dry natural rubber. [simponi.com]

A bone density scan can check the bones for osteoporosis. [healthcentral.com]

After surgery, the patient continued antituberculous and anti-osteoporosis treatments. Her low back pain was relieved and low-grade fever and sweating disappeared. [ncbi.nlm.nih.gov]

Osteoporosis Osteoporosis is a bone disease that makes the bones less dense than normal. It occurs when the body loses too much bone or makes too little bone. The bones then become weak and are prone to breaks. [medicalnewstoday.com]

Osteoporosis and spinal fractures Osteoporosis is where the bones become weak and brittle. In AS, osteoporosis can develop in the spine and can increase your risk of fracturing the bones in your backbone. [nhsinform.scot]

Epidemic myalgia should be considered when differentiating acute low back pain accompanied by fever. [ncbi.nlm.nih.gov]

The most common symptom of ankylosing spondylitis is low back pain that develops so gradually you may not notice it in the early stages. If you've had low back pain for more than three months, see your doctor to have it checked out. [everydayhealth.com]

Video: Ankylosing spondylitis Symptoms AS starts with low back pain that comes and goes. Low back pain becomes present most of the time as the condition progresses. Pain and stiffness are worse at night, in the morning, or when you are less active. [ufhealth.org]

AS starts with low back pain that comes and goes. Low back pain becomes present most of the time as the condition progresses. Pain and stiffness are worse at night, in the morning, or when you are less active. The discomfort may wake you from sleep. [medlineplus.gov]

Morning stiffness of the spine. Pain and stiffness that worsens with immobility. Pain and stiffness that improves with physical activity. Symptoms which persist for more than three months. Thanks for your feedback! [verywellhealth.com]

As the inflammation progresses to involve more of the spine, there is decreased flexibility and range of motion of the spine. Pain may present along the spine and involve many spinal joints. [spinemd.com]

Living Well with Ankylosing Spondylitis It can feel overwhelming to learn you have AS, but several treatments and lifestyle changes can help manage spine pain and even prevent disease progression. [spineuniverse.com]

Other symptoms depend on the disease stage, and may include: Stiffness and limited motion of the lumbar spine Pain and limited chest expansion caused by involvement of the costovertebral joints Arthritis involving shoulders, hips and knees Kyphosis (curvature [healthcentral.com]

Spondylitis Spondylitis due to Tropheryma whipplei. [en.wikipedia.org]

Many HLA-B27 positive don’t get AS, and some people without it do. Prevalence 2-8% (30% in eskimos!) [oxfordmedicaleducation.com]

[…] uveitis than the HLA-B27-negative ones. [scielo.br]

People with a family member with spondyloarthritis are at higher risk of developing spondyloarthritis depending on whether they inherited the HLA-B27 gene. About 90% of people who develop spondyloarthritis will carry the HLA-B27 gene. [spondylitis.ca]