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Halazepam Side Effects

Applies to halazepam: oral tablet

Nervous system

Nervous system side effects have been common and have included drowsiness, sedation, somnolence, confusion, poor memory, dizziness, ataxia, and decreased motor coordination (particularly in elderly patients). Paradoxical excitement and behavioral disinhibition have also been observed by some clinicians.[Ref]


Gastrointestinal side effects including nausea and dry mouth have been reported.[Ref]


Other side effects have included withdrawal symptoms after either abrupt cessation or fast tapering of benzodiazepines and tolerance to the pharmacologic effects of other benzodiazepines has been reported . However, withdrawal symptoms have not been specifically reported for halazepam.[Ref]

Withdrawal symptoms may include agitation, restlessness, anxiety, depression, insomnia, tremor, abdominal discomfort, blurred vision, vomiting, sweating, and seizures.[Ref]


Respiratory side effects including dose-dependent respiratory depression have been associated with use of other benzodiazepines but has not been specifically reported for halazepam.[Ref]


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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.