Which of the following is NOT a typical symptom of severe cases of HELLP syndrome?

Severe proteinuria is typically a hallmark of preeclampsia, a related condition, but it is not always a prominent feature specifically associated with HELLP syndrome. HELLP syndrome, which stands for Hemolysis, Elevated Liver enzymes, and Low Platelets, is characterized more by its systemic complications and severe hepatic involvement rather than just the presence of protein in the urine.

In severe cases of HELLP syndrome, patients often present with symptoms such as right upper quadrant abdominal pain due to liver distension, nausea as a result of liver dysfunction, and vomiting, which can occur because of the increased liver enzymes and potential gastrointestinal distress. These symptoms are more directly related to the liver's involvement in the syndrome, as well as its impact on other organ systems.

In summary, while severe proteinuria may occur in the context of preeclampsia, it is not a defining symptom or as prevalent in HELLP syndrome, making it the option that does not align with the typical symptoms of severe cases of this syndrome.