Stop taking vitamin A and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).
Other, less serious side effects may occur with large doses or prolonged use of vitamin A. Notify your doctor if you experience
tiredness; ;
nausea, vomiting, or decreased appetite; ;
irritability; ;
headache; ;
dryness or cracking of the lips or skin; or ;
hair loss. .
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
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