Medical Toxicology Commons^™

A Phantom Of The Past: Withdrawal From Meprobamate Presenting With Focal Seizures., Thomas M. Zink, John E. Erickson

Journal of Maine Medical Center

Introduction: Meprobamate (Miltown, Equinil) is a sedative-hypnotic medication that first gained popularity as an anxiolytic and later as a muscle relaxant. It is a major metabolite of the more commonly used muscle relaxant carisoprodol (Soma). In vitro and electroencephalogram studies demonstrated that meprobamate modulates gama-aminobutyric acid (GABA) receptors, similar to barbiturates. Withdrawal from meprobamate manifests in symptoms ranging from mild anxiety to severe autonomic instability and death. Meprobamate is rarely prescribed, but is still given to a small subset of elderly patients.

Clinical findings: In this case of meprobamate withdrawal, the patient initially displayed altered mental status and recurrent seizures …