Pityriasis lichenoides chronica is an uncommon, idiopathic, acquired dermatosis.

Hidradenitis suppurativa is a chronic cutaneous condition originally thought to be primarily characterized by inflammation of sweat glands.

Pyogenic granuloma or pyogenic fibroma is a vascular tumor that occurs on both mucosa and skin.

Sometimes called solar keratosis or senile keratosis, is a pre-cancerous area of thick, scaly, or crusty skin.

Aphthous stomatitis is a common condition characterized by the repeated formation of benign and non-contagious mouth ulcers.

Methotrexate (MTX), formerly known as amethopterin, is a chemotherapy agent and immune system suppressant

Dapsone is an antibiotic commonly used in combination with rifampicin and clofazimine for the treatment of Leprosy.

Darier's disease (DAR) is an autosomal dominant disorder discovered by French dermatologist Ferdinand-Jean Darier.

Ciclosporin, also spelled cyclosporine and cyclosporin, is an immunosuppressant medication and natural product.

Mycophenolic acid (MPA), and also called mycophenolate, is an immunosuppressant medication used to prevent rejection following transplant.

Azathioprine (AZA), sold under the brand name Imuran among others, is an immunosuppressive medication.

Keratosis pilaris (KP) is a common, autosomal dominant, genetic condition of the skin's hair follicles.

Lipodermatosclerosis is a form of lower extremity panniculitis, an inflammation of the layer of fat under the epidermis.

Melasma (also known as chloasma faciei or the mask of pregnancy when present in pregnant women) is a tan or dark skin discoloration.

Panniculitis is a group of diseases whose hallmark is inflammation of subcutaneous adipose tissue.