Nephrotic syndrome is diagnosed by a urine test, which will show very high levels of protein.

The type of nephrotic syndrome can be diagnosed by how your child responds to treatment with steroids.

If the steroids work, your child will be diagnosed with steroid-sensitive nephrotic syndrome (SSNS).

If the steroids don’t work after four to six weeks, your child will be diagnosed with steroid-resistant nephrotic syndrome (SRNS).

If your child has lots of relapses that happen in a short space of time, they will be diagnosed with frequently relapsing nephrotic syndrome.

A kidney biopsy may be needed.

Genetic testing may also be offered.

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