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Pentothal Side Effects

Generic Name: thiopental

Note: This document contains side effect information about thiopental. Some of the dosage forms listed on this page may not apply to the brand name Pentothal.

Applies to thiopental: intravenous powder for injection, rectal suspension


Cardiovascular side effects have included myocardial depression, cardiac arrhythmias, and a fall in blood pressure even to shock levels.[Ref]


Respiratory side effects have included respiratory depression, sneezing, coughing, bronchospasm, and laryngospasm.[Ref]

Nervous system

Nervous system side effects have included prolonged somnolence and recovery. Radial nerve palsy has been reported rarely.[Ref]


Hypersensitivity side effects have included anaphylactic and anaphylactoid reactions, e.g., urticaria, bronchospasm, vasodilation and edema.[Ref]


General side effects have included shivering.[Ref]


Hematologic side effects have included rare reports of immune hemolytic anemia with renal failure.[Ref]


1. "Product Information. Pentothal (thiopental)." Abbott Pharmaceutical, Abbott Park, IL.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.