Should Trazodone Be Increased for Insomnia in This Patient?
No, trazodone should not be increased—it should be discontinued and replaced with a first-line agent such as low-dose doxepin 3-6 mg, eszopiclone 2-3 mg, or zolpidem 5 mg (elderly dosing), while simultaneously initiating Cognitive Behavioral Therapy for Insomnia (CBT-I). 1, 2, 3
Why Trazodone Should NOT Be Increased
The American Academy of Sleep Medicine explicitly recommends AGAINST trazodone for both sleep onset and sleep maintenance insomnia. 1, 2, 3 Clinical trials demonstrated that trazodone 50 mg produced only modest improvements in objective sleep parameters with no improvement in subjective sleep quality, and the harms outweigh any potential benefits. 1, 2 The current 50 mg dose is already at the studied dose that failed to show meaningful efficacy, making dose escalation illogical and potentially harmful. 2, 3
The Department of Veterans Affairs/Department of Defense guidelines similarly advise against trazodone for chronic insomnia, noting no differences in sleep efficiency compared to placebo in systematic reviews. 2
Critical Safety Concerns in This Patient
This patient's medication regimen presents dangerous polypharmacy with multiple CNS depressants:
Oxycodone + Trazodone combination: The FDA has issued a black box warning about combining opioids with sedating medications, cautioning about serious effects including slowed breathing and death. 2 Both agents cause additive CNS depression, and sedation often precedes respiratory depression. 2
Hydroxyzine 50 mg three times daily (150 mg total daily): This adds significant anticholinergic burden and sedation on top of trazodone and oxycodone. 1
Multiple sedating agents increase risks of complex sleep behaviors, cognitive impairment, falls, and fractures—particularly concerning given this patient is on alendronate for osteoporosis. 1
Recommended Treatment Algorithm
Step 1: Discontinue Trazodone and Initiate CBT-I Immediately
CBT-I must be started before or alongside any pharmacotherapy, as it demonstrates superior long-term efficacy with sustained benefits after medication discontinuation. 1, 2, 3 CBT-I includes stimulus control therapy, sleep restriction therapy, relaxation techniques, and cognitive restructuring. 1 It can be delivered through individual therapy, group sessions, telephone-based programs, or web-based modules—all showing effectiveness. 1
Step 2: Select Appropriate First-Line Pharmacotherapy
For this patient with both sleep onset and maintenance insomnia, consider:
Low-dose doxepin 3-6 mg at bedtime (PREFERRED): Moderate-quality evidence shows 22-23 minute reduction in wake after sleep onset, improves sleep efficiency, total sleep time, and sleep quality with no significant adverse events versus placebo. 1 Critically, doxepin has minimal drug interactions with the patient's other medications (escitalopram, metoprolol, lisinopril, amlodipine, atorvastatin). 1 This is the safest choice given the complex medication regimen. 1
Eszopiclone 2-3 mg at bedtime (ALTERNATIVE): First-line benzodiazepine receptor agonist showing moderate-to-large improvement in sleep quality with 28-57 minute increase in total sleep time. 1 However, this adds another CNS depressant to an already concerning regimen. 1
Zolpidem 5 mg at bedtime (ALTERNATIVE): Age-appropriate dosing if patient is elderly, reducing sleep latency by 25 minutes and improving total sleep time by 29 minutes. 1 The American Geriatrics Society recommends maximum 5 mg in older adults due to increased fall risk. 1
Step 3: Address Dangerous Polypharmacy
Immediate medication reconciliation is essential:
Hydroxyzine 50 mg TID (150 mg daily total) is excessive and contributes to sedation, anticholinergic effects, and fall risk. 1 Consider reducing to 25 mg at bedtime only or discontinuing entirely once appropriate sleep medication is initiated. 1
Oxycodone PRN every 6 hours: Use the lowest effective doses and monitor closely for signs of respiratory depression when combined with any sleep medication. 2 Consider multimodal analgesia to minimize opioid requirements. 2
Educate patient and caregivers about warning signs of respiratory depression (slow breathing, extreme drowsiness, difficulty waking). 2
Step 4: Monitor and Reassess
- Reassess after 1-2 weeks to evaluate efficacy on sleep latency, sleep maintenance, and daytime functioning. 1
- Monitor for adverse effects including morning sedation, cognitive impairment, complex sleep behaviors (sleep-driving, sleep-walking), falls, and respiratory depression. 1, 2
- Use the lowest effective dose for the shortest duration possible, with periodic reassessment of ongoing need. 1, 2
Why NOT Other Options
Increasing trazodone to 100 mg: No evidence supports higher doses for insomnia, and the 50 mg dose already failed to show meaningful benefit in trials. 2, 3
Over-the-counter antihistamines (diphenhydramine): Explicitly not recommended due to lack of efficacy data, daytime sedation, delirium risk, and anticholinergic burden. 1
Benzodiazepines (lorazepam, clonazepam): Should be avoided as first-line treatment and carry significant risks including dependence, withdrawal, cognitive impairment, falls, and fractures—particularly concerning given osteoporosis. 1
Melatonin or herbal supplements: Not recommended due to insufficient evidence (only 9 minutes reduction in sleep latency). 1
Common Pitfalls to Avoid
Failing to initiate CBT-I before or alongside pharmacotherapy—behavioral interventions provide more sustained effects than medication alone. 1, 2
Continuing trazodone simply because it's already prescribed—this violates evidence-based guidelines and exposes the patient to unnecessary risks. 1, 2, 3
Adding another sedating medication without addressing the existing polypharmacy—this patient already has excessive CNS depressant burden. 1, 2
Using doses appropriate for younger adults in elderly patients—if patient is ≥65 years, zolpidem maximum is 5 mg, not 10 mg. 1
Prescribing sleep medication without comprehensive patient education about treatment goals, safety concerns, potential side effects, and the importance of behavioral treatments. 1