Gout - Causes

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An untreated attack will typically peak 24 - 48 hours after the first appearance of symptoms, and go away after 5 - 7 days. However, some attacks last only hours, while others persist as long as several weeks. Though symptoms can subside, the crystals are still present, and future attacks are likely to occur.

Intercritical Gout

Intercritical gout is the term used to describe the periods between attacks. The first attack is usually followed by a complete remission of symptoms, but, if left untreated, gout nearly always returns. Over two-thirds of patients will have at least one further attack within 2 years of the first attack. By 10 years, over 90% of the patients are likely to have repeat attacks.

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Symptoms of Chronic Tophaceous Gout

Chronic Tophaceous Gout and Tophi. After several years, persistent gout can develop into a condition called chronic tophaceous gout. This long-term condition often produces tophi, which are solid deposits of MSU crystals that form in the joints, cartilage, bones, and elsewhere in the body. In some cases, tophi break through the skin and appear as white or yellowish-white, chalky nodules that have been described as looking like crab eyes.

Click the icon to see an image of tophi gout.

Without treatment, tophi may develop about 10 years after the initial onset of gout, although the occurrence can range from 3 - 42 years. Tophi are more likely to appear early in the course of the disease in older people. In the elderly population, women appear to be at higher risk for tophi than men. Certain people, such as those who are receiving cyclosporine after a transplant, have a high risk of developing tophi.

Development of Chronic Pain. When gout remains untreated, the intercritical periods typically become shorter and shorter, and the attacks, although sometimes less intense, can last longer. Over the long term (about 10 - 20 years) gout becomes a chronic disorder characterized by constant low-grade pain and mild or acute inflammation. Gout may eventually affect several joints, including those that may have been free of symptoms at the first appearance of the disorder. In rare cases, the shoulders, hips, or spine are affected.