Children with allergic purpura and persistent abdominal pain: Which tests should be performed?

Patient's question:

Patient: 8 years old, male
Persistent abdominal pain with vomiting for 3 days, appeared subcutaneous bleeding spots
Blood test shows lymphocyte percentage of 59.8
Urine test shows protein 3+
Intravenous infusion of VC, calcium gluconate, and hydrocortisone for 3 days, abdominal pain persists

Doctor's answer:

It is possible to check kidney function, routine urine tests, and routine blood tests. In addition to standard treatment for pediatric Henoch-Sch?nlein purpura, patients need to consult experts for more advice and maintain communication with their doctors. Patients should also pay attention to nursing aspects, such as maintaining a light diet and engaging in more outdoor exercise. At the same time, patients should choose a reputable hospital for diagnosis and treatment to achieve good therapeutic effects.