A pustule is a bulging patch of skin that's full of a yellowish fluid called pus. Learn more about the symptoms, causes, and treatment of pustules. Pustules are small, fluid-filled bumps that can form on the skin.

Understanding the Context

Learn about the causes of and treatment for pustules. Pustules are smaller than 5–10 mm, and filled with pus, that is, purulent material composed of inflammatory cells (neutrophils). Pus can indicate bacterial, fungal or viral infection Pustules are common in adolescents and are typically manifestations of underlying disorders, such as acne and folliculitis. They can appear isolated or in groups and may be localized in a single area or widespread throughout the body.

Key Insights

A pustular rash causes the skin to break out in raised bumps filled with pus. Here are the most common types of pustules and related skin conditions. Discover what causes pustules, how to treat them effectively, and simple tips to prevent breakouts and support healthier skin. Pustules are large, pus-filled pimples. In this article, we discuss the causes and symptoms of pustules.

Final Thoughts

We also look at treatments and home remedies to get rid of them. Pustules are what people normally refer to as β€œzits.” They are relatively small (less than 5 mm across), inflamed (red), elevated acne lesions with a white or yellow center that are located mainly on the face, neck, back, shoulders, and upper arms.