Fig. 1

Purpuric rashes at admission (a, b) and blanched lesions with confluent hyperpigmentation after 14 days of controlled alcohol abstinence (c, d) in November 2015. Fresh purpura (“cayenne pepper” spots) after 24 h of drinking vinegar (50 ml four times daily) (e1 left tibia, e2 right tibia) in April 2016 at the end of a 10-day inpatient detoxification treatment