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Hypervitaminosis A - Symptom

Alternative Names

Vitamin A toxicity

Symptoms:

  • Bulging fontanelles (infants)
  • Bone pain or swelling
  • Craniotabes (infants and children)
  • Skin and hair changes
    • Hair loss
    • Seborrhea
    • Cracking at corners of the mouth
    • Yellow discoloration of the skin
    • Higher sensitivity to sunlight
    • Skin peeling
  • Irritability
  • Decreased appetite
  • Poor weight gain (infants and children)
  • Vomiting
  • Drowsiness
  • Double vision (young children)
  • Gynecomastia (swelling of breast tissue in men)
  • Impotence and ejaculation failure

Signs and tests:

  • Serum vitamin A levels
  • A history of taking too much vitamin A for a short or long period of time
  • Bone calcification (hardening)
  • High blood calcium levels
  • High serum creatinine (suggestive of kidney damage)
  • Reviewed last on: 8/8/2006
  • Robert Hurd, MD, Department of Biology, College of Arts and Sciences, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network
     
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