A 48-year-old man who is a known case of bipolar disorder was maintaining well on a combination of carbamazepine and quetiapine for 3 years until he developed fever, severe leucopenia and lymphadenopathy, along with significant loss of weight and appetite. A thorough investigation revealed Kikuchi’s disease as a likely histological diagnosis. Carbamazepine was discontinued and quetiapine was titrated for the management of psychiatric symptoms. The patient gradually made good recovery following discontinuation of carbamazepine and the diagnosis of drug-induced myelosuppression was retained. Clinicians need to be aware of the adverse effects of medications being used for long-term prophylaxis and other possible conditions that may change the course of drug effects.
- drugs: psychiatry
- unwanted effects / adverse reactions
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Contributors CI: drafting the manuscript. RI and DK: critical revision of the manuscript.
Funding This study was funded by Christian Medical College, Vellore 925255.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.