Some of the information in this article or section has not been verified and might not be reliable. It should be checked for inaccuracies and modified as needed, citing sources. Acne of a 14 year old boy during puberty. A close-up of a "whitehead" pimple. Take note of the inflammation surrounding it. A pimple is a type of skin lesion that is caused by inflamed and/or obstructed pores. The most common cause of pimples is acne; however, other causes, such as smallpox exist as well. ...
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