| hypervitaminosis | <biochemistry> A condition due to ingestion of an excess of one or more vitamins. Synonym: supervitaminosis. (18 Nov 1997) |
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| hypervitaminosis A | <biochemistry> Poisoning due to too much vitamin A within the body. Symptoms include irritability, fatigue, changes in the skin, hair loss, headache, and abdominal discomfort. (09 Oct 1997) |
| hypervitaminosis D | <biochemistry> Poisoning due to too much vitamin D within the body. Symptoms include headache, weakness, disturbed digestion, increased blood pressure, and tissue calcification (of certain tissues). (09 Oct 1997) |