Mirtazapine is a commonly used drug indicated for the treatment of severe depression. It works as a presynaptic α2-adrenoreceptor antagonist that increases central noradrenergic and serotonergic neurotransmission, and it is metabolized by the p450 cytochrome oxidase system. There is evidence within the literature to suggest a link between antidepressants and increased liver enzymes, although case reports demonstrating a link between mirtazapine specifically and steatosis are sparse. Here, we present a case of mirtazapine-induced steatosis in a 48-year-old office worker. She presented with painless jaundice of 2 days duration and generalized lethargy and peripheral edema present for 3 weeks beforehand. Extensive investigations were undertaken to identify the cause of her jaundice but no biochemical, blood-borne, or anatomical cause could be found. Mirtazapine was subsequently stopped, and her liver function, both clinically and biochemically, improved rapidly. She made a full recovery after discontinuation of her mirtazapine.
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