substance withdrawal syndrome baclofen withdrawal syndrome https://github.com/monarch-initiative/mondo/issues/5544 MONDO:0700046 Withdrawal syndrome involving the abrupt discontinuation of baclofen therapy (intrathecal or oral). Baclofen withdrawal syndrome can result in high fever, altered mental status (including agitation, insomnia, confusion, delusions, hallucinations, seizures, visual changes, or psychosis), and potentially profound muscular rigidity that sometimes progresses to fatal rhabdomyolysis.