Introduction Erythema nodosum (EN) is an acute inflammatory condition characterized by painful, red, tender nodules or plaques, most commonly found on the anterior shins. It is often a reactional process associated with systemic diseases, infections, or medications. Etiology Infectious Causes: Bacterial: Streptococcal infections (most common), tuberculosis, Yersinia, Brucella. Viral: Epstein-Barr virus, hepatitis B, HIV. Fungal: […]

Introduction Roseola infantum, also known as sixth disease, is a common viral exanthem of early childhood characterized by a high fever followed by a sudden rash once the fever resolves. It is typically a self-limiting illness and primarily affects infants and young children.Its alternative name, exanthem subitum, means “sudden” rash. Etiology Caused by human herpesvirus […]