Acne can come in several forms and symptoms can range from uninflamed blackheads to pus-filled pimples that are large, red, and tender. Here are the different types of pimples, Blackheads make your skin look as though there are dirt deposits in the bumps. These open bumps on the skin are filled with excess oil and dead skin that cause dark spots that make them appear black. Whiteheads are closed pimples by oil and dead skin. Papules are small red or pink bumps that become inflamed and can be painful. Pustules are pimples that contain pus and look similar to whiteheads and are surrounded by red rings. Picking or scratching this type of pimple will lead to scarring.  Fungal acne (pityrosporum folliculitis) is often itchy and inflamed. This type of pimple develops as a result of excess yeast in the hair follicles.  Nodules are large and painful pimples that develop deep in your skin.  Cysts are pus-filled pimples.