Melanoma, also known as malignant melanoma, is a type of cancer that develops from the pigment-producing cells known as melanocytes.

Molluscum contagiosum or water warts, is a viral infection of the skin that results in small, raised, pink lesions with a dimple in between.

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

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

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