What it ASLO it and what does it analyse?

ASLO is an antibody that recognises foreign substances produced by the bacterium Streptococcus pyogenes. This bacterium is responsible for diseases such as pharyngitis, as well as its complications like rheumatic fever and glomerulonephritis.

What is it used for?

It is used for the diagnosis of Streptococcus pyogenes infection. ASLO values may be positive one to three weeks after infection with this bacterium. It is useful in determining the cause of symptoms produced by Streptococcus pyogenes. Although not everyone develops symptoms of rheumatic fever, glomerulonephritis, or tonsillitis, periodic medical follow-up is recommended.

Why is this analysis performed?

To evaluate Streptococcus pyogenes infection, to determine the cause of symptoms related to this bacterium.

When should this analysis be carried out?

After Streptococcus pyogenes infection, and in cases of symptoms such as shortness of breath, chest pain, or joint pain and swelling.

What sample is required? 

A blood sample is required. 

Is any special preparation needed?

No specific preparation is required.

How is it used?

The amount of ASLO in the blood is measured.

What are considered to be normal values?

Adults: Less than 200 IU/ml. Children: Less than 150 IU/ml.

What do abnormal values indicate?

Values above the normal range confirm Streptococcus pyogenes infection. Medical follow-up is important to assess potential complications.