Pentothal Side Effects

Generic name: thiopental

Medically reviewed by Drugs.com. Last updated on Oct 30, 2022.

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

Applies to thiopental: intravenous powder for injection, rectal suspension.

Hypersensitivity

Rare (less than 0.1%): Anaphylactoid reactions (e.g., urticaria, bronchospasm, fall in blood pressure, angioedema)

Frequency not reported: Allergic reactions, hypersensitivity, anaphylactic shock^[Ref]

Local

Common (1% to 10%): Pain at the administration site^[Ref]

Musculoskeletal

Frequency not reported: Involuntary movements, muscle tremor^[Ref]

Metabolic

Frequency not reported: Hypokalemia, hyperkalemia, anorexia^[Ref]

Psychiatric

Frequency not reported: Unpleasant dream, euphoria, dysphoria^[Ref]

Respiratory

Common (1% to 10%): Respiratory depression, bronchospasm, laryngospasm, coughing, snoring, sneezing^[Ref]

Other

Common (1% to 10%): Shivering

Frequency not reported: Malaise, fatigue^[Ref]

Nervous system

Common (1% to 10%): Somnolence, delayed wakening

Frequency not reported: Headache, confusion, dizziness, amnesia^[Ref]

Renal

Frequency not reported: Renal failure, polyuria (when high doses are used)^[Ref]

Cardiovascular

Common (1% to 10%): Heart arrhythmia, myocardia depression, hypotension, thrombosis, phlebitis

Frequency not reported: Tachycardia^[Ref]

Dermatologic

Frequency not reported: Skin reactions^[Ref]

Gastrointestinal

Frequency not reported: Nausea, vomiting^[Ref]

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.

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