Blue man Paul Karason is still blue after he self-medicates with silver for a skin condition

Paul Karason, 58, has the strange Papa Smurf look as a side effect of using a silver compound which he used more than a decade ago to treat a bad case of dermatitis on his face.

Dr. Oz Investigates The Man Who Turned Blue

Drug-Induced Pigmentation: Practice Essentials, Pathophysiology

Argyria - Wikipedia

Grace Lightman: Channelling Diana Ross in a Spaceship

A Look Back at the Man Who Turned Blue

When self-medication goes wrong: the case of argyria at the Padua

JCM, Free Full-Text

Colloidal Silver Turns You Blue—But Does It Work?

Argyria resulting from chronic use of colloidal silver in a

Drug-Induced Pigmentation: Practice Essentials, Pathophysiology