Withdrawal from high-dose tranylcypromine
1Department of Toxicology, Klinikum rechts der Isar, München, Germany.
Clinical Toxicology (Philadelphia, Pa.)
|March 18, 2008
Summary
Physostigmine effectively treated tranylcypromine-induced delirium and thrombocytopenia in a substance abuse patient. This reversal highlights physostigmine
Area of Science:
- Neuroscience
- Pharmacology
Background:
- Tranylcypromine, a monoamine oxidase inhibitor, has abuse potential.
- Abrupt cessation can lead to withdrawal symptoms.
Observation:
- A 34-year-old man developed thrombocytopenia and delirium after high-dose tranylcypromine cessation.
- Delirium was unresponsive to conventional treatments like haloperidol and diazepam.
Findings:
- Intravenous physostigmine administration rapidly, though temporarily, resolved the delirium.
- Continuous physostigmine infusion led to sustained delirium resolution without cholinergic side effects.
- Thrombocytopenia resolved spontaneously.
Implications:
- Physostigmine is a potential antidote for tranylcypromine-induced delirium.
- This case underscores the importance of considering specific drug toxicities in complex withdrawal syndromes.
- Further research into MAOI-induced neurological complications and their management is warranted.
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