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From Apply Now, former About.com Guide

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

ENCYCLOPEDIA INDEX

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Hypervitaminosis A

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
Irritability
Decreased appetite
Poor weight gain (infants and children)
Vomiting
Drowsiness

Signs and tests:

Serum vitamin A levels
A history of either acute vitamin A ingestion or long-term ingestion at levels above recommended values
Periosteal calcification (hands)
High blood calcium levels
High serum creatinine (suggestive of kidney damage)

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