• sickle cell anaemia
• certain types of cancer, such asleukaemia, multiple myeloma or lymphoma
These problems tend to be more common in adults with nephrotic syndrome.
Congenital nephrotic syndrome is usually caused by an inherited faulty gene. For the condition to be passed on to a child, both parents must have a healthy copy of the gene and a faulty one. This means they don’t have nephrotic syndrome themselves, but there is a one in four chance that any children they have will develop the condition.