Discontinue Vistaril Immediately
Yes, hydroxyzine (Vistaril) should be stopped immediately in this 89-year-old woman who feels "crazy" after taking it, as hydroxyzine is explicitly listed as a potentially inappropriate medication in older adults by the 2019 AGS Beers Criteria with STRONG evidence that harms outweigh benefits 1.
Why Hydroxyzine Must Be Stopped
The 2019 AGS Beers Criteria specifically identifies hydroxyzine as inappropriate for older adults due to:
- Highly anticholinergic effects that can cause delirium and confusion (which likely explains her feeling "crazy")
- CNS sedating properties that increase fall risk
- Increased risk of fractures
- The recommendation carries a STRONG rating, meaning harms clearly outweigh benefits 1
The FDA drug label reinforces these concerns, warning that "sedating drugs may cause confusion and over sedation in the elderly" and that "elderly patients generally should be started on low doses of VISTARIL and observed closely" 2. Her adverse reaction of feeling "crazy" is consistent with the anticholinergic delirium and CNS effects documented in the Beers Criteria.
Safer Alternatives for Nighttime Anxiety in This 89-Year-Old
First-Line Approach: Non-Pharmacological
- Cognitive Behavioral Therapy for Insomnia (CBT-I) is the most effective treatment with sustained long-term benefits 3
- Behavioral interventions including sleep hygiene, stimulus control, and sleep restriction
- Address the underlying concern about the relative "sneaking out" through environmental modifications (door alarms, reassurance strategies)
If Medication Is Necessary:
Short-acting benzodiazepines at LOW doses are generally safer than hydroxyzine in elderly patients when behavioral approaches fail 4. However, these still carry risks of:
- Falls and fractures
- Cognitive impairment
- Dependence with prolonged use
Key prescribing principles if pharmacotherapy needed:
- Use the lowest effective dose
- Short-term use only (not chronic)
- Avoid long half-life agents that accumulate
- Monitor closely for adverse effects 3, 4
What to Avoid:
- All antihistamines (including hydroxyzine, diphenhydramine) - no systematic evidence of effectiveness and risks outweigh benefits 3
- Antipsychotics - unless treating psychosis, these increase mortality and stroke risk in elderly 1
- Trazodone and other off-label antidepressants - insufficient evidence for insomnia treatment 3
Critical Caveats
The patient's nighttime worry about a relative "sneaking out" may represent:
- Underlying anxiety disorder requiring proper psychiatric evaluation
- Early cognitive impairment with paranoid features
- Delirium potentially worsened by the hydroxyzine itself
Immediate action: Stop hydroxyzine, assess for delirium (which may resolve after discontinuation), evaluate cognitive status, and address the specific behavioral concern about the relative through non-pharmacological means before considering any alternative medication 1, 2.