Disease encyclopedia/Skin, hair & nails
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    Skin, hair & nailsInflammatoryICD-10 L70

    Acne vulgaris

    Also called: Acne, Pimples

    Blocked, inflamed hair follicles cause spots, mainly on the face, chest and back. Almost universal in teenagers and very treatable.

    Condition-specific references are below. Individual claims and this page have not been clinically reviewed. Read about this content.

    Affected: Skin (hair follicles and sebaceous glands)

    Causes

    • Excess sebum, blocked follicles, Cutibacterium acnes and inflammation, driven by androgens

    Risk factors

    • Adolescence
    • Family history
    • PCOS
    • Some medicines and oily cosmetics

    Symptoms

    • Blackheads and whiteheads
    • Red papules and pustules
    • Painful nodules and cysts
    • Scarring

    Diagnosis — tests and examinations

    • Clinical

    Treatment

    Medicines and medical treatment

    • Topical retinoids (adapalene), benzoyl peroxide, azelaic acid
    • Topical or oral antibiotics combined with benzoyl peroxide
    • Combined pill or spironolactone for women
    • Oral isotretinoin for severe or scarring acne (strict pregnancy prevention)

    Self-care, home remedies and lifestyle

    • Gentle cleansing twice daily
    • Non-comedogenic products
    • Do not squeeze spots

    Possible complications

    • Scarring and pigmentation
    • Low self-esteem

    Prevention

    • Early treatment prevents scarring

    Outlook

    Usually improves by the mid-20s.

    When to see a doctor

    See a doctor for painful nodules, scarring or distress.

    Sources and further reading

    These sources cover this condition. They have not been checked against every statement on this page.

    • Acne — MedlinePlus (U.S. National Library of Medicine)

    Related conditions

    Atopic eczema (dermatitis)PsoriasisMelanomaBasal cell carcinomaCellulitisUrticaria (hives)

    Educational overview, not medical advice. Treatment varies by person and location. Consult a qualified health professional for diagnosis or care. Read our content and model notes and privacy information.

    Affected: Skin (hair follicles and sebaceous glands)

    See it in 3-D

    SkinHair follicle

    Anatomy

    • Skin
    • Hair follicle

    On this page

    • Causes
    • Risk factors
    • Symptoms
    • Diagnosis — tests and examinations
    • Treatment
    • Complications
    • Prevention
    • Outlook
    • When to see a doctor
    • Sources