Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature Review

Methimazole is commonly prescribed for patients with hyperthyroidism. It typically exhibits a well-tolerated profile, with common side effects including gastrointestinal disorders and rash. However, more serious rare yet adverse reactions, notably agranulocytosis and hepatotoxicity have been documen...

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Main Authors: Ahmed Mohamed Nefzi, Dhouha Cherif, Habiba Dabbebi, Haythem Yacoub, Hajer Hassine, Hela Kchir, Khadija Bellil, Nadia Maamouri
Format: Article
Language:English
Published: SAGE Publishing 2025-02-01
Series:Journal of Investigative Medicine High Impact Case Reports
Online Access:https://doi.org/10.1177/23247096251317285
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author Ahmed Mohamed Nefzi
Dhouha Cherif
Habiba Dabbebi
Haythem Yacoub
Hajer Hassine
Hela Kchir
Khadija Bellil
Nadia Maamouri
author_facet Ahmed Mohamed Nefzi
Dhouha Cherif
Habiba Dabbebi
Haythem Yacoub
Hajer Hassine
Hela Kchir
Khadija Bellil
Nadia Maamouri
author_sort Ahmed Mohamed Nefzi
collection DOAJ
description Methimazole is commonly prescribed for patients with hyperthyroidism. It typically exhibits a well-tolerated profile, with common side effects including gastrointestinal disorders and rash. However, more serious rare yet adverse reactions, notably agranulocytosis and hepatotoxicity have been documented in literature. Here we present a case of a 27-year-old female, recently diagnosed with Graves’ disease, who was prescribed methimazole and developed severe pruritus with cholestatic jaundice 13 days later. Concomitant causes of liver disease were ruled out. The treatment was discontinued, and a switch to corticosteroid therapy with a regimen of radioactive iodine sessions was initiated. The patient’s condition showed a resolution of pruritus and jaundice, a disappearance of cytolysis with an aggravation of cholestasis followed by a gradual decrease, leading to the liver function normalization after 2 years. Methimazole-induced cholestatic jaundice is a rare yet severe adverse effect. Patients should be aware of this complication and advised to immediately stop taking the treatment when suggestive symptoms (pruritus, jaundice, dark urine, light-colored stool) occur.
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institution Kabale University
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publishDate 2025-02-01
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spelling doaj-art-b9b57a496e9a48d98b96578c5985d0822025-02-06T08:03:21ZengSAGE PublishingJournal of Investigative Medicine High Impact Case Reports2324-70962025-02-011310.1177/23247096251317285Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature ReviewAhmed Mohamed Nefzi0Dhouha Cherif1Habiba Dabbebi2Haythem Yacoub3Hajer Hassine4Hela Kchir5Khadija Bellil6Nadia Maamouri7Gastroenterology B Department, La Rabta Hospital, Tunis, TunisiaGastroenterology B Department, La Rabta Hospital, Tunis, TunisiaGastroenterology B Department, La Rabta Hospital, Tunis, TunisiaGastroenterology B Department, La Rabta Hospital, Tunis, TunisiaGastroenterology B Department, La Rabta Hospital, Tunis, TunisiaGastroenterology B Department, La Rabta Hospital, Tunis, TunisiaAnatomopathology Department, La Rabta Hospital, Tunis, TunisiaGastroenterology B Department, La Rabta Hospital, Tunis, TunisiaMethimazole is commonly prescribed for patients with hyperthyroidism. It typically exhibits a well-tolerated profile, with common side effects including gastrointestinal disorders and rash. However, more serious rare yet adverse reactions, notably agranulocytosis and hepatotoxicity have been documented in literature. Here we present a case of a 27-year-old female, recently diagnosed with Graves’ disease, who was prescribed methimazole and developed severe pruritus with cholestatic jaundice 13 days later. Concomitant causes of liver disease were ruled out. The treatment was discontinued, and a switch to corticosteroid therapy with a regimen of radioactive iodine sessions was initiated. The patient’s condition showed a resolution of pruritus and jaundice, a disappearance of cytolysis with an aggravation of cholestasis followed by a gradual decrease, leading to the liver function normalization after 2 years. Methimazole-induced cholestatic jaundice is a rare yet severe adverse effect. Patients should be aware of this complication and advised to immediately stop taking the treatment when suggestive symptoms (pruritus, jaundice, dark urine, light-colored stool) occur.https://doi.org/10.1177/23247096251317285
spellingShingle Ahmed Mohamed Nefzi
Dhouha Cherif
Habiba Dabbebi
Haythem Yacoub
Hajer Hassine
Hela Kchir
Khadija Bellil
Nadia Maamouri
Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature Review
Journal of Investigative Medicine High Impact Case Reports
title Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature Review
title_full Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature Review
title_fullStr Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature Review
title_full_unstemmed Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature Review
title_short Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature Review
title_sort methimazole induced cholestatic jaundice a rare case and literature review
url https://doi.org/10.1177/23247096251317285
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