Pyoderma gangrenosum is a rare, inflammatory skin disease where painful pustules or nodules become ulcers that progressively grow.

Seborrheic keratosis is a non-cancerous (benign) skin tumour that originates from cells in the outer layer of the skin.

Tinea versicolor is a condition characterized by a skin eruption on the trunk and proximal extremities.

Xeroderma, xerosis or xerosis cutis, or simply dry skin, is a skin condition characterized by excessively dry skin.

Discoid lupus erythematosus is the most common type of chronic cutaneous lupus, an autoimmune skin condition.

Necrobiosis lipoidica is a necrotising skin condition that usually occurs in patients with diabetes mellitus.

Acne, also known as acne vulgaris, is a long-term skin disease that occurs when dead skin cells and oil from the skin clog hair follicles