Petechiae R23.3

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Non-palpable Purpura; Petechia

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Descriptive term for small (<1.0 cm) non-palpable bleedings into the skin ( purpura ).

Differential diagnosis
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Thrombocytopenia (<50,000/mm3)

Thrombocyte dysfunction (e.g. when taking aspirin)

Pressure increases in the vascular system

Disturbances of vascular density(Purpura pigmentosa progressiva, UV-damaged atrophic skin of the elderly)

Early efflorescences in immunocomplex vasculitis: IgA1 vasculitis, IgG/IgM vasculitis, cryoglobulinemic vasculitis, vasculitis in collagenosis

Non-vasculitic hemorrhagic exanthema: Early hemorrhagic drug exanthema, early efflorescences in pityriasis lichenoides et varioliformis; Purpura pigmentosa progressiva;


Please ask your physician for a reliable diagnosis. This website is only meant as a reference.


Last updated on: 29.10.2020