{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T17:06:32Z","timestamp":1785431192084,"version":"3.56.0"},"reference-count":17,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,10,22]],"date-time":"2025-10-22T00:00:00Z","timestamp":1761091200000},"content-version":"vor","delay-in-days":294,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Case Reports in Endocrinology"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:p>Although rare, vitamin D toxicity is a serious condition that commonly results from excessive self\u2010medication. Clinical manifestations range from asymptomatic hypercalcemia to severe, life\u2010threatening complications. We present the case of a previously healthy 3\u2010year\u2010old child who accidentally ingested 800,000\u2009IU of vitamin D3 (cholecalciferol) and remained asymptomatic. Management included intravenous hydration, oral prednisolone, and strict dietary calcium restriction, alongside regular monitoring of serum calcium and vitamin D levels. The patient was discharged after 11 days and showed normalized laboratory parameters during a 3\u2010month follow\u2010up. This case underscores the importance of early diagnosis, immediate cessation of vitamin D intake, and conservative medical management in preventing complications. It also highlights the critical need for public education regarding the safe use of dietary supplements, particularly in pediatric populations.<\/jats:p>","DOI":"10.1155\/crie\/6614996","type":"journal-article","created":{"date-parts":[[2025,10,22]],"date-time":"2025-10-22T07:19:06Z","timestamp":1761117546000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["A 3\u2010Year\u2010Old Child With Incidental High\u2010Dose Vitamin D Intoxication: A Case Report and Literature Review"],"prefix":"10.1155","volume":"2025","author":[{"given":"Hossein","family":"Kasiri","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0854-8965","authenticated-orcid":false,"given":"Amir Hasan","family":"Farzaneh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Navid","family":"Khosravi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,10,22]]},"reference":[{"key":"e_1_2_10_1_2","doi-asserted-by":"publisher","DOI":"10.1007\/s001980050058"},{"key":"e_1_2_10_2_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199204303261801"},{"key":"e_1_2_10_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0025-7125(16)30085-2"},{"key":"e_1_2_10_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/bcp.13573"},{"key":"e_1_2_10_5_2","doi-asserted-by":"publisher","DOI":"10.3389\/fendo.2018.00550"},{"key":"e_1_2_10_6_2","doi-asserted-by":"publisher","DOI":"10.1345\/aph.1Q330"},{"key":"e_1_2_10_7_2","volume-title":"Dietary Reference Intakes: Thiamin R N, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin,, Choline","author":"Institute of Medicine. 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