September 2024 in “Meditsinskiy sovet = Medical Council” This article reports a rare case of toxic keratitis in a patient due to excessive intake of vitamin A, highlighting hypervitaminosis A risks such as severe eye conditions and systemic health issues, especially with cumulative doses exceeding therapeutic levels.
3 citations
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August 2005 in “Journal of Pediatric Gastroenterology and Nutrition” This case report identifies chronic vitamin A intoxication in a toddler who received excessive vitamin A supplements, resulting in various symptoms and confirmed by liver biopsy findings.
October 2011 in “Journal of dermatology” A man with a rare skin condition and a new gene mutation developed high calcium levels due to his treatment.
7 citations
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September 1999 in “PubMed” This study observed that consuming grouper fish liver caused symptoms similar to acute vitamin A intoxication, indicating its high vitamin A content as the likely cause.
1 citations
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January 1980 in “Side effects of drugs annual” This chapter reviews various adverse effects associated with vitamins, including hypercalcemia from high doses of vitamin A, hair loss from retinoid treatment, and complications with vitamin B6 in Parkinson's therapy, but reports no new clinical findings.