Other conditions that might have Reactive arthritis as a complication may, potentially, be an underlying cause of Reactive arthritis. Our database lists the following as having Reactive arthritis as a complication of that condition:
As with all medical conditions, there may be many causal factors. Further relevant information on causes of Reactive arthritis may be found in:
16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Reactive arthritis.
Evidence suggests that predisposition to psoriatic arthritis is hereditary; 20% to 50% of patients are human leukocyte antigen-B27 positive. However, onset is usually precipitated by streptococcal infection or trauma.
About 5% to 7% of patients with psoriasis develop psoriatic arthritis. It occurs in up to 1% of the general population.
Source: Professional Guide to Diseases (Eighth Edition), 2005
In most cases of septic arthritis, bacteria spread from a primary site of infection — usually in adjacent bone or soft tissue — through the bloodstream to the joint. Common infecting organisms in children are group B Streptococcus and Haemophilus influenzae. Adults are usually infected by Staphylococcus, Streptococcus (pneumonia), and group B Streptococcus, whereas chronic septic arthritis is caused by Mycobacterium tuberculosis and Candida albicans.
Various factors can predispose a person to septic arthritis. Any concurrent bacterial infection (of the genitourinary or the upper respiratory tract, for example) or serious chronic illness (such as malignancy, renal failure, rheumatoid arthritis, systemic lupus erythematosus, diabetes, or cirrhosis) heightens susceptibility. Consequently, elderly people and those who abuse I.V. drugs run a higher risk of developing septic arthritis. Of course, diseases that depress the immune system and immunosuppressive therapy increase susceptibility. Other predisposing factors include recent articular trauma, joint arthroscopy or other surgery, intra-articular injections, and local joint abnormalities.
Septic arthritis may be seen at any age in children, but it occurs most often in children younger than age 3. It’s uncommon from age 3 until adolescence, at which time the incidence increases again.
Source: Professional Guide to Diseases (Eighth Edition), 2005
Evidence suggests that predisposition to psoriatic arthritis is hereditary; 20% to 50% of patients are human leukocyte antigen-B27-positive. However, its onset may be precipitated by streptococcal infection or trauma.
Source: Handbook of Diseases, 2003
In most cases of septic arthritis, bacteria spread from a primary site of infection, usually in adjacent bone or soft tissue, through the bloodstream to the joint.
Common infecting organisms include four strains of gram-positive cocci — Staphylococcus aureus, Streptococcus pyogenes, Streptococcus pneumoniae, and Streptococcus viridans — and two strains of gram-negative cocci — Neisseria gonorrhoeae and Haemophilus influenzae. Various gram-negative bacilli — Escherichia coli, Salmonella, and Pseudomonas, for example — also cause infection.
Anaerobic organisms such as gram-positive cocci usually infect adults and children older than age 2. H. influenzae most often infects children younger than age 2.
Various factors can predispose a person to septic arthritis. Any concurrent bacterial infection (of the genitourinary or the upper respiratory tract, for example) or serious chronic illness (such as cancer, renal failure, rheumatoid arthritis, systemic lupus erythematosus, diabetes, or cirrhosis) heightens susceptibility. Consequently, alcoholics and elderly people run a higher risk of developing septic arthritis.
Of course, susceptibility increases with diseases that depress the autoimmune system or with prior immunosuppressant therapy. I.V. drug abuse (by heroin addicts, for example) can also cause septic arthritis.
Other predisposing factors include recent articular trauma, joint surgery, intra-articular injections, and local joint abnormalities.
Source: Handbook of Diseases, 2003
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