- Rapid onset of action and relatively short half-life
- Caregiver acceptance high
- Generally well tolerated
- Widely available
- Low cost
- Liquid formulations available
- Combination formulations advantageous in some situations
| - Mixed empirical evidence of efficacy
- Adverse reactions include anticholinergic (eg, dry mouth, constipation, urinary retention, blurred vision), paradoxical excitation, residual morning sleepiness ("hangover")
- Development of tolerance to sedation common
- Possible interaction with other anticholinergics
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