paronychia chartacea/edema

This paper describes the association of two unusual side effects of treatment with isotretinoin for severe acne: paronychia and excess granulation tissue in the nails furrows. We report a case of male patient aged 19 years, who in the course of the 36th week of treatment with isotretinoin for acne

Paronychia, which can be acute or chronic, is characterized by erythema, edema, and tenderness at the proximal and occasionally lateral nail folds. Causes of chronic paronychia include excessive moisture, contact irritants, trauma, and candida infection. Chronic paronychia is usually multifactorial