Causes of hyperuricemia

Written by Lin Xiang Dong

Endocrinology

Updated on September 16, 2024

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Hyperuricemia is divided into primary hyperuricemia and secondary hyperuricemia. Primary hyperuricemia is mainly due to a disorder in the metabolism of purines in the body, leading to excessive production of uric acid, which in turn causes hyperuricemia. Prolonged duration can greatly increase the risk of gout. Secondary hyperuricemia refers to hyperuricemia caused by excessive production or excretion obstacles due to some common diseases, the most common being chronic renal failure or some tumors, etc.

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What are the harms of hyperuricemia?

The dangers of hyperuricemia: Firstly, some individuals might experience gouty arthritis, characterized by localized joint swelling, redness, heat, and pain, affecting mobility. Secondly, prolonged hyperuricemia can damage the kidneys, leading to chronic renal failure. Thirdly, if hyperuricemia persists long-term, it may result in the formation of tophi. Tophi deposited in joints can cause joint deformities and limited mobility. Additionally, hyperuricemia is an independent risk factor for cardiovascular and cerebrovascular diseases, and thus should be taken seriously.

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Can people with hyperuricemia drink alcohol?

Patients with hyperuricemia are advised to avoid drinking alcohol. Especially liquors such as baijiu and beer, which have high purine content, are contraindicated for patients with hyperuricemia. Furthermore, if hyperuricemia is diagnosed with high levels of uric acid, one should abstain from alcohol, and also pay attention to diet by avoiding foods high in purines to prevent complications such as gouty arthritis and gouty kidney.

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What are the symptoms of hyperuricemia?

Some patients with hyperuricemia are asymptomatic, while others may suffer from complications such as gouty arthritis, gouty nephropathy, and tophi. Gouty arthritis is very common clinically and is primarily characterized by localized joint redness, swelling, heat, and pain. The commonly affected joints include the first metatarsophalangeal joint, ankle joint, and wrist joint. In cases of gouty nephropathy, patients may exhibit high levels of uric acid and increased creatinine levels, which may manifest as frequent urination, nocturia, and swelling of the lower limbs. If gout crystals deposit in the joints, they can form tophi, leading to joint deformities and restricted movement.

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Hyperuricemia Complications

Common complications, the first is the effect on joints, manifested as local joint redness, swelling, heat, and pain, and even mobility impairment, usually referring to gouty arthritis. The second complication is the effect on the kidneys, resulting in hyperuricemic nephropathy, where the patient will experience abnormal kidney function. The third complication is the formation of gouty tophi, where many patients have deposits in the joints, leading to the occurrence of tophi and causing joint mobility impairment. Therefore, hyperuricemia needs to be treated promptly to prevent these complications.

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What should be noted for hyperuricemia?

Firstly, hyperuricemia is just found during routine physical examinations or blood tests, showing an increase in blood uric acid levels without the occurrence of gout attacks, meaning there are no symptoms of joint pain. At this time, there is no need for special medication, which means uric acid-lowering drugs are not required. However, you need to be cautious and change your lifestyle habits. For example, abstaining from alcohol, controlling the intake of animal organs, seafood, and barbecued foods. Additionally, drinking more water is necessary, and for overweight individuals, controlling weight and losing weight are important considerations. Also, you should avoid intense physical activities as they can trigger gout attacks, but this doesn't mean no exercise at all; slow walking and swimming are fine.