Dermatology Book

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SunburnAka: Sun Burn, Photodermatitis, Phototoxic Reaction, Phototoxic Dermatitis, Photoallergic Reaction

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  1. See Also
    1. Burn Evaluation
  2. Risk factors
    1. See Photosensitizers
  3. Signs
    1. Sufficient exposure to Ultraviolet Light
    2. Immediate erythema
      1. Occurs within minutes of exposure
      2. Fades within 30 minutes
    3. Delayed erythema
      1. Reappears 3 to 6 hours after exposure
      2. Peaks at 12 to 24 hours
      3. Persists for days
    4. Associated findings
      1. Edema
      2. Vesicles
      3. Desquamation often within 1 week
  4. Management
    1. See Burn Management
    2. Cool wet compresses
    3. Consider topical anesthetics (Lidocaine preparations)
      1. Avoid Benzocaine preparations (sensitizer)
    4. Consider Aspirin (adults)
    5. Consider Prednisone for 4-6 days in severe cases
      1. Adults: 20 mg PO bid for 4-6 days
  5. Prevention
    1. See Sunscreen
    2. See Sun Exposure
  6. Complications
    1. Two sunburns before age 18 predisposes to Melanoma
  7. References
    1. Goroll (2000) Primary Care Medicine, p. 1065-6
    2. Habif (1996) Clinical Dermatology, Mosby, p.602-3

Photosensitivity Disorders (C0031762)

Definition (MSH)Abnormal responses to sunlight or artificial light due to extreme reactivity of light-absorbing molecules in tissues. It refers almost exclusively to skin photosensitivity, including sunburn, reactions due to repeated prolonged exposure in the absence of photosensitizing factors, and reactions requiring photosensitizing factors such as photosensitizing agents and certain diseases. With restricted reference to skin tissue, it does not include photosensitivity of the eye to light, as in photophobia or photosensitive epilepsy.
ConceptsDisease or Syndrome (T047)
ICD9692.79
EnglishPhotodermatitides, Photodermatitis, Photosensitivity dermatitis, PHOTOSENSITIVITY DIS, Photosensitivity Disorder, Photosensitivity Disorders
Spanishfotodermatitis
CreditsDerived from the NIH UMLS (Unified Medical Language System)


Sunburn (C0038814)

Definition (MSH)An injury to the skin causing erythema, tenderness, and sometimes blistering and resulting from excessive exposure to the sun. The reaction is produced by the ultraviolet radiation in sunlight.
Definition (CSP)injury to the skin, with erythema, tenderness, and in some extreme cases blistering, following excessive exposure to sunlight; produced by ultraviolet rays not filtered out by clouds or water.
ConceptsInjury or Poisoning (T037)
ICD9692.71
EnglishErythema solare, Solar erythema, Sunburn, Sunburns
Spanisheritema solar, quemadura solar
CreditsDerived from the NIH UMLS (Unified Medical Language System)


Dermatitis, Phototoxic (C0162830)

Definition (MSH)A nonimmunologic, chemically induced type of photosensitivity producing a sometimes vesiculating dermatitis. It results in hyperpigmentation and desquamation of the light-exposed areas of the skin.
ConceptsDisease or Syndrome (T047)
ICD9692.79
EnglishDERMATITIS CONTACT PHOTOTOX, DERMATITIS PHOTOTOX, Photosensitisation reaction, Photosensitive dermatitis, Photosensitiveness, PHOTOSENSITIVITY REACTION, PHOTOSENSITIVITY TOXIC REACTION, Photosensitization reaction, PHOTOTOX CONTACT DERMATITIS, PHOTOTOX DERMATITIS, Phototoxic Contact Dermatitides, Phototoxic Contact Dermatitis, Phototoxic Dermatitides, Phototoxic dermatitis, Phototoxic eczema, Phototoxic reaction, RASH PHOTOSENSITIVITY
Spanishdermatitis fototóxica, dermatitis fototoxica
CreditsDerived from the NIH UMLS (Unified Medical Language System)



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