Last reviewed: November 2017
Last updated: November  2017

Summary

Definition

History and exam

Key diagnostic factors

  • presence of risk factors
  • arthralgias
  • abdominal pain
  • rash
  • signs of renal disease

Other diagnostic factors

  • hx of taking certain medications
  • scrotal pain or swelling
  • headaches
  • seizures
  • pulmonary haemorrhage

Risk factors

  • male
  • age 3 to 15 years
  • prior URTI
  • hx of taking certain medications

Diagnostic investigations

1st investigations to order

  • urinalysis
  • 24-hour urine for protein
Full details

Investigations to consider

  • serum creatinine and electrolyte levels
  • serum IgA levels
  • coagulation studies
  • skin biopsy
  • renal biopsy
  • ultrasound, abdomen
  • ultrasound, testicles
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Paul F. Roberts

Assistant Professor of Family Medicine

Mayo Clinic

Jacksonville

FL

Disclosures

PFR is an author of a number of references cited in this monograph.

Peer reviewers VIEW ALL

Consultant

Department of Family Medicine

Mayo Clinic

Jacksonville

FL

Disclosures

RJP declares that he has no competing interests.

Consultant Physician and Rheumatologist

Centre for Rheumatic Diseases

Glasgow Royal Infirmary

Glasgow

UK

Disclosures

RM declares that he has no competing interests.

Consultant Rheumatologist

Ipswich Hospital NHS Trust

Ipswich

UK

Disclosures

RAW declares that he has no competing interests.

Use of this content is subject to our disclaimer