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It can also be caused by a bacterial infection from an open wound or an opening from a surgical procedure, such as knee surgery. In adults and children, common bacteria that cause acute septic arthritis include Haemophilus influenza, staphylococcus, and streptococcus.These foreign invaders enter the bloodstream and infect the joint, causing inflammation and pain.ther infections, such as those caused by viruses and fungi, can also cause arthritis. Viruses include: 1  Hepatitis A, B, and C. 2  Parvovirus B19. 3  Herpes viruses. 4  HIV (AIDS virus). 5  HTLV-1. 6  Adenovirus.
Bacteria Trigger Nerve Cells to Cause Pain. Researchers have found that bacteria can directly stimulate sensory neurons to produce pain and suppress inflammation. The finding may lead to better treatments for painful bacterial infections. A tooth abscess, urinary tract infection, or other type of bacterial infection can cause intense pain. The pain is often accompanied by inflammation, which is produced by the immune systemâs attack on the bacteria.