Photodermatitis

Aka: Photodermatitis, Photodermatosis, Phototoxic Reaction, Photocontact Dermatitis, Phototoxic Dermatitis, Photoallergic Reaction, Photosensitivity Reaction, Berloque Dermatitis

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II. Causes: Photodermatitis

  1. Phototoxicity
    1. Sunburn
    2. Photosensitizer related
      1. Phytophotodermatitis (plant-related reactions)
      2. Drug-induced Photosensitivity
  2. Photoallergy
    1. Drug-induced Photosensitivity
    2. Solar Urticaria
    3. Polymorphous Light Eruption
    4. Actinic Prurigo
  3. Infection Related
    1. Hydroa vacciniforme (EBV infection)
  4. Metabolic or nutritional
    1. Porphyria (Porphyria cutanea tarda, Variegate porphyria, Erythropoietic porphyria)
    2. Niacin Deficiency (Pellagra)
  5. Congenital Syndrome
    1. Xeroderma pigmentosum
  6. Photo-aggravated Conditions
    1. Dermatomyositis
    2. Malasma
    3. Rosacea
    4. Systemic Lupus Erythematosus or Cutaneous Lupus Erythematosus
  7. Chronic Sun Damage related conditions
    1. See Sun Damage
    2. Photoaging
    3. Solar Lentigo
    4. Actinic Keratoses
    5. Skin Cancer (e.g. Squamous Cell Carcinoma, Melanoma)

III. References

  1. Wolff et. al. (2017) Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, McGraw-Hill, Chicago, p. 191
  2. Oakley (2023) Photosensitivity, StatPearls, Treasure Island, FL,
    1. https://www.ncbi.nlm.nih.gov/books/NBK431072/

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