| Subject | Contents |
| Definition | Blackheads are small, dark spots (about the size of a pinhead) caused by discoloration of the surface of a small plug in the opening of a follicle (pore). See also information on acne and whiteheads . |
| Alternative Names | |
| Considerations | |
| Common Causes | |
| Home Care | |
| Call your health care provider if | |
| What to expect at your health care provider's office | |
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