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Butabarbital Side Effects

Medically reviewed by Last updated on Aug 24, 2023.

Applies to butabarbital: oral tablet.

Serious side effects of Butabarbital

Along with its needed effects, butabarbital may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking butabarbital:


Get emergency help immediately if any of the following symptoms of overdose occur while taking butabarbital:

Symptoms of overdose

Other side effects of Butabarbital

Some side effects of butabarbital may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common


For Healthcare Professionals

Applies to butabarbital: oral elixir, oral tablet.

Nervous system

Common (1% to 10%): Somnolence

Frequency not reported: Ataxia, central nervous system (CNS) depression, dizziness, headache, hyperkinesia, syncope[Ref]


Frequency not reported: Abnormal thinking, agitation, anxiety, confusion, hallucinations, insomnia, nervousness, nightmares, psychiatric disturbance[Ref]


Frequency not reported: Constipation, nausea, vomiting[Ref]


Frequency not reported: Apnea, hypoventilation[Ref]


Frequency not reported: Bradycardia, hypotension[Ref]


Frequency not reported: Angioedema, hypersensitivity[Ref]


Frequency not reported: Exfoliative dermatitis, skin rashes[Ref]


Frequency not reported: Fever[Ref]


Frequency not reported: Liver damage[Ref]


1. Product Information. Butisol Sodium (butabarbital). Wallace Laboratories. 2001;PROD.

2. Product Information. Butisol Sodium (butabarbital). Meda Pharmaceuticals. 2010.

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.