Schamberg purpura is one of the pigmented purpuric eruptions.

It is most commonly diagnosed in adult males but can be seen in women and children.


Clinical features:

(1) nonpalpable purpuric macules and spots. The lesions tend to be located in the legs but can appear elsewhere or be generalized.

(2) pruritic

(3) reddish-brown color (compared to Cayenne pepper)


Some cases have been linked to drug exposure (amlodipine, other).



(1) low-grade lymphocytic perivasculitis around small blood vessels in the superficial dermis. This has been referred to as a capillaritis.

(2) extravasation of erythrocytes into the interstitium may be present

(3) hemosiderin deposition (explains the brown color seen clinically)



(1) coagulopathy-related purpura

(2) infectious purpura

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