Antistreptolysin O TiterAntistreptolysin O Titer

Antistreptolysin O Titer (ASO)

Antistreptolysin O Titer (ASO) is a blood test that measure the antibodies against anti streptolycin O, and a substance produced by group of streptococcus bacteria. its not used to diagnose a current strep infection, such a strep throat. When you come contact with harmful bacteria your body produced antibodies to defend it against this bacteria. Usually, you have a strep infection like strep throat, you receive antibiotics that kill the strep bacteria. But some people don’t have any symptoms during a strep infection and may not know they need treatment. When this happens, an untreated infection can lead to future complications. These complications are known as post-streptococcal complications.

Antistreptolysin O Titer

Is This Test Have Other Name

Antistreptolysin O Titer, ASOT, ASO Titer,

How The Test Performed

A Blood sample needed.

Why The Test Performed

If you have a strep infection with the bacteria of Streptococcus, to help diagnose complication result from a strep infection such as, Rheumatized fever, and or glomerulonephritis, a kidney dieses. You may need a ASO Titer blood test if you have complications.

Why Need This Test

If you have symptoms, one of the following complications,

  1. Fever
  2. Chest pain
  3. Fatigue
  4. Bacterial endocarditis
  5. Strep throat
  6. Shortness of breath
  7. Rheumatic fever which can affect the Joints or bones
  8. Tonsils
  9. Sinuses
  10. Middle Ear Infection
  11. Symptoms such as fluid accumulation (edema)
  12. A kidney problem called glomerulonephritis
  13. Dark urine that are associated with glomerulonephritis
Antistreptolysin O Titer

What Do The Result Means

Negative result means you do not have a step infection. But you have need to repeat the test after 2 to 4 weeks if you have symptoms. And a positive test result means you have a strep infection even if you had no symptoms. If the results of your tests show that your ASO antibodies are increasing, it’s likely that your infection is recent. Declining antibody levels suggest that your infection is getting better.

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