Multidrug-resistant tuberculosis continues to be a public health crisis. Urgent action is required to improve the coverage and quality of diagnosis, treatment and care for people affected by drug-resistant tuberculosis. To implement tuberculosis control, in 2018, WHO recommended cycloserine as one of the Group B drugs. Following this recommendation, cycloserine should be generally included in the starting line-up in the longer regimen for the treatment of multidrug-resistant tuberculosis. However, neurological toxicity associated with this drug concerns clinicians and limits its use. In this paper, we present a case of a 48-year-old woman with a diagnosis of multidrug-resistant tuberculosis treated with cycloserine, who developed psychiatric adverse events after 3 months of administration. This case shows the need for close psychiatric follow-up to promptly detect adverse events in patients receiving regimens for multi-drug resistant tuberculosis.
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