Seborrhoeic Keratosis: Symptom and Causes

Seborrhoeic Keratosis – Symptoms – Small, rough bumps, which thicken and develop a warty surface, Most often tan, brown, or black in color, May have a rough texture (like a wart), Often appear in clusters. Seborrhoeic Keratosis – Causes – The cause of seborrheic keratoses is unknown. It may occur due to Ultraviolet light, Genetics, Stress.