Pustules
Pustules
Pustules (/pʌsˈtjuːlz/; from Latin pustula, meaning "blister") are small, inflamed, pus-filled, blister-like lesions on the skin surface. They are a common symptom in various diseases and skin conditions, including acne, chickenpox, and smallpox.
Definition
A pustule is a small, circumscribed elevation of the skin, containing pus, and having an inflamed base. Pustules are typically the result of an infection, such as acne, that has become inflamed and filled with pus.
Causes
Pustules can be caused by various conditions, including:
- Acne: This is a common skin condition that causes pustules, among other types of skin lesions.
- Chickenpox: This viral infection can cause a rash of pustules to appear on the skin.
- Smallpox: This highly contagious and deadly disease is characterized by a rash of pustules.
Treatment
Treatment for pustules depends on the underlying cause. For example, pustules caused by acne may be treated with topical medications, while those caused by chickenpox or smallpox may require antiviral medications.
Related Terms
- Papule: A small, solid, usually inflammatory elevation of the skin that does not contain pus.
- Nodule: A small swelling or aggregation of cells in the body, especially an abnormal one.
- Cyst: A thin-walled hollow organ or cavity in the body containing a liquid secretion; a sac, vesicle, or bladder.
External links
- Medical encyclopedia article on Pustules
- Wikipedia's article - Pustules
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