Please explain what happens if someone has "vitamin c hypervitaminosis"?

Hypervitaminosis C: would be unlikely because excess vitamin C is excreted in feces (primarily) & in urine (secondarily) & thus is not absorbed into the blood. Large doses of Vitamin C are contraindicated with g6pd deficiency, renal insufficiency, oxalate renal calculus formers, chronic hemodialysis or in some forms of iron overload. Taking excessive amounts of Vitamin C can cause symptoms such as nausea, vomiting, >