Gout has many well-known symptoms, including extreme pain, swollen joints, warmth, and redness. While all cases of gout are the result of uric acid crystal build-up, it can present in unexpected or unusual ways.
Flu-like Symptoms. The inflammation experienced during gout flare-ups can become severe enough to cause flu-like symptoms, including high fever, muscle aches, and fatigue.1
Kidney Stones. Gout can cause uric acid crystals to build-up in the kidneys, leading to kidney stones. Between 10% and 25% of gout sufferers develop kidney stones, and may experience them with or without more commonly recognized symptoms, like joint inflammation. Kidney stones can be excruciatingly painful and can lead to kidney damage or kidney failure if left untreated.2,3
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Tophi. People with chronic gout can develop uric acid crystal deposits that appear as small white or yellow nodules under the skin. Called tophi, these deposits usually appear on joints, including toes, knees, and elbows, but they can occur anywhere in the body, including the spinal canal. Tophi are usually painless, but in some cases they can become inflamed and produce discharge.3 Rarely, large, painful tophi may require surgical removal.
Sacroiliac joint pain. Gout is commonly associated with the big toe joint (metatarsophalangeal joint), but only about half of cases occur there. The remaining cases affect other areas, such as knees, fingertips, and—less often—sacroiliac joints, which are located on either side of the pelvis between the sacrum and the ilium.4-6 Gout in a sacroiliac joint can cause low back pain or hip pain.
Wrist Pain. People who experience gout-related wrist pain typically have polyarticular gout, meaning their gout affects more than one joint. Gout pain appearing only in the wrist is rare but possible.7 When a person has gout in a joint that is not known for its susceptibility to gout, such as the wrist or ankle, an accurate gout diagnosis can be elusive. If the joint is swollen, the physician may aspirate it with a needle and send the joint fluid to a lab for diagnostic analysis.
Gout symptoms typically have rapid onset and resolve within days or weeks. If left untreated, however, it can become chronic and cause lasting damage. Sufferers should seek treatment for gout during an episode to prevent future attacks.