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If you have acne, you get pimples on your skin. They usually appear on your face, neck, back, chest or arms.

The main symptoms of acne are:^{1 2 3}

• Blackheads (small black pimples) or whiteheads (white bumps) on your skin
• Greasy skin
• Red, inflamed pimples
• Pimples with pus in them
• Painful pimples that go deep into your skin. These may cause scars as they heal.

Spots themselves don't cause serious harm, although you may be worried about scars. Getting treatment early can prevent scarring.^{4 5}

Many people with acne don't like the way it looks. Some people find it embarassing, and even become very upset or depressed.⁶ If you're concerned about your acne, make sure your doctor understands how you feel. There may be stronger treatments that you can try.

This information is for educational use only, and is not a substitute for prompt professional medical advice. Readers should always consult a physician or other professional for advice and treatment. ©BMJ Publishing Group Limited 2008. All rights reserved.