Henoch-Schonlein Purpura (HSP)

The exact cause of HSP is unknown. Infectious agents (such as viruses and bacteria) are thought to be a potential trigger for the disease because:

• It often appears after a cold (may be due to an overly aggressive response from your child’s immune system)
• Immunoglobulin, A (IgA), a specific product of the immune system in HSP lesions is found