Uric Acid Test | Blood Test |

Serum uric acid

What is this test?
This test measures the amount of uric acid in your blood.

Uric acid is a normal body waste product. It forms when chemicals called purines break down. Purines are a natural substance found in the body. They are also found in many foods, such as liver, shellfish, and alcohol. They can also be formed in the body when DNA is broken down.

When purines are broken down to uric acid in the blood, the body gets rid of it when you urinate or have a bowel movement. But if your body makes too much uric acid, or if your kidneys aren't working well, uric acid can build up in the blood. Uric acid levels can also increase when you eat too many high-purine foods or take medicines like diuretics, aspirin, and niacin. Then crystals of uric acid can form and collect in the joints. This causes painful inflammation. This condition is called gout. It can also lead to kidney stones.

Why do I need this test?
You may need this test if your healthcare provider wants to see if you have high levels of uric acid in your blood. Your healthcare provider may advise this test if you have symptoms of gout, although most people with hyperuricemia don't develop gout. Symptoms of gout include:

Joint pain or soreness

Swelling and pain in a joint, such as the big toe, ankle, or knee, or red skin around a joint

Joints that are hot to the touch

Swelling and pain that affects only 1 joint in the body

Skin that looks shiny and is red or purple

You may also need this test if you have symptoms of kidney stones. Symptoms include:

Severe pain along your lower back. This may repeatedly get worse and then get better. The pain may also travel to your genitals.

Nausea

Vomiting

Urgent need to urinate

Blood in your urine

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