Drug intake in pregnant women is common, including prescribed and over-the-counter medications, and herbal medicine and supplements. Drug-induced liver injury (DILI) has become the leading cause of acute liver failure in Western countries, and pregnancy is thought to be a risk factor, but only few anecdotal reports concerning pregnant women are found. These involved antihypertensive, antithyroid, antiretroviral, and antituberculosis medications, and antibiotics. Presentation was usually in the first 20 weeks of gestation following a latency of several weeks, because these drugs were usually prescribed before or in early pregnancy due to their fetal safety. The hepatotoxicity is usually of the idiosyncratic form, and most would resolve spontaneously although occasional liver transplantation and maternal death were reported. The scanty reports could have been related to under-reporting and missed diagnosis due to spontaneous resolution in most cases. DILI should remain one of the differential diagnoses in pregnant women with hepatitis.
Keywords: Antihypertensive drug; Antiretrovirus drug; Antithyroid drug; Antituberculosis drug; Drug-induced liver injury; Pregnant women.
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