Various substances of abuse are known to cause specific cutaneous manifestations. In this review, we highlight the cutaneous manifestations associated with the use of cocaine, heroin, marijuana, methamphetamine, alcohol, and anabolic steroids. Cutaneous signs of tanning addiction are also discussed, as tanning bed use is a particularly relevant and growing problem in Dermatology. We also provid...

Piercings and tattoos have become very popular in western society in recent decades, particularly among younger generations. Reports of medical complications associated with these decorative techniques have increased in parallel with the rise in their popularity. Due to their high frequency, adverse cutaneous reactions are particularly important among these potential complications. Tattoo-relat...

Cardio-facio-cutaneous syndrome (CFC) is a multiple congenital anomaly disorder characterized by craniofacial dysmorphia, ectodermal abnormalities, congenital heart defects, and developmental and growth delay. Neurological complications associated with CFC remain to be clearly defined. Recent discovery of causative mutations in genes of the MAPK pathway (BRAF, MEK1, and MEK2) now permit accurat...

Although more commonly seen in children, IgA vasculitis can occur adults and presentations are often severe1,2. A 67-year-old woman with a history of chronic sinusitis, asthma, allergic rhinitis presented 4 months painful, ulcerating skin lesions on her lower extremities, arthralgia, stocking glove paresthesia. She denied upper respiratory, gastrointestinal, urinary symptoms, or preceding illn...

INTRODUCTION The medical leech (Hirudo medicinalis) has been used throughout the centuries and continues to be used today, mainly in reconstructive surgery and microsurgery. Easy access to these animals may entail an improper use of this therapeutic method by patients as a form of self-treatment. CASE REPORT A man who presented with skin erythema and oedema due to the application of a medical...