<prompt> All regarding HSP is true exceptHematuria resolve without treatmentSteroids best treat skin lesionsSelf limiting ahralgiaExcellent prognosis  <response>: B i.e. Steroids best treat skin lesions Presence of palpable non-blanching purpura, mainly involving dependent areas such as buttocks lower extremities in children adolescents along with ahralgia; gastrointestinal bleedin colic abdominal pain, hematuriaQ, and histo pathological demonstration of extra peri- vascular neutrophil granulocyte infiltrates leukocytoclastic vasculitisQ with IgA mostly IgAl subtype and C3 deposition about small blood vessels in skin, intestine and kidneyQ by immunofluorescence is diagnostic of - Henoch - Schonlein purpura. Meningiococcernia presents with sho lived UI, nausea, headache muscle soreness followed by -- fever, obtundation, meningitis -- vomiting, stupor, hemorrhagic rash hypotension. Skin findings include transient macular papular lesions resembling viral exanthema fb characteristic small, irregular, smudged appearance, asymmetrical petechiae most often on extremities trunk but can also be on head, palm, sole mucous membrane Extensive maplike hemorrhagic lesions with central necrosis suggilations bullae can develop. Purpura Fulminans is extensive hemorrhagic necrosis of skin d t DIC disseminated intravascular coagulation. It may be idiopathic with in 10 days of Scarlet fever or varicella, secondary in acute sepsis with gram ve or -ye organism most commonly meningococcemia or associated with homozygous protein C deficiency. 