Rare skin reaction occurring 5 days after medication initiation. Characterized by small, sterile pustules on red, swollen skin. Usually resolves within 1-3 days after stopping medication. May cause fever, headache, and elevated blood inflammatory markers
Tunga penetrans is a parasitic flea found in tropical and sub-tropical climates. Can reach up to 1 cm across while embedded under skin. Native to Central and South America, introduced to sub-Saharan Africa. Lives 2-5 cm below sand, unaffected by temperature or humidity
Melanocytic nevus is a noncancerous skin condition containing pigment-producing cells. Moles appear during first 2 decades of life, with 1 in 100 babies born with moles. Most moles are brown, tan, pink, or black, between 1-3 mm in size. Most people have 30-40 moles, some up to 600
Malassezia is a normal skin flora yeast that colonizes 30-100% of newborns. Genus consists of 17 species, most prevalent in healthy skin. Species distribution varies by region, with M. sympodialis common in Europe
Purpura is a discolored spot on skin caused by leaking blood vessels. Appears purple on light skin, dark brown/black on dark skin. Can appear on skin or mucous membranes
Paronychia is an infection of skin surrounding nails. Acute paronychia appears suddenly after nail injury. Chronic paronychia develops slowly from inflammation. Acute caused by aggressive manicuring or nail biting. Chronic common in diabetics and workers exposed to chemicals