Medication Management for Hospice Patient with Depression, Suicidality, Nausea, Vomiting, and Pain
For this terminally ill hospice patient with severe depression, suicidality, and refractory nausea/vomiting, I recommend mirtazapine 7.5-15 mg at bedtime as your primary intervention, which uniquely addresses depression, anxiety, nausea, and can augment pain control while improving appetite and sleep. 1, 2
Primary Recommendation: Mirtazapine
Mirtazapine is the optimal single agent for this patient because it simultaneously treats multiple symptoms:
- Addresses depression and suicidality with antidepressant effects 2
- Reduces nausea and vomiting through antihistamine and 5-HT3 antagonist properties 1
- Improves appetite in cachexic hospice patients 1
- Enhances sleep quality with sedating effects at lower doses 1
- May provide adjunctive analgesic benefit in chronic pain 1
Dosing: Start with 7.5-15 mg orally at bedtime, can increase to 30 mg if needed for depression 1, 2. The lower dose (7.5-15 mg) provides more sedation and antiemetic effect, while higher doses (30 mg) provide stronger antidepressant action 1.
Additional Antiemetic Management
For breakthrough nausea/vomiting despite mirtazapine, add:
- Haloperidol 0.5-2 mg PO/IV every 4-6 hours as first-line dopamine antagonist for nausea with additional benefit for agitation 1, 3
- Olanzapine 2.5-5 mg at bedtime as alternative antipsychotic with antiemetic, anxiolytic, and appetite-stimulating properties 1, 3
- Ondansetron 4-8 mg PO 2-3 times daily if nausea persists despite dopamine antagonists 1, 3, 4
Managing Depression and Suicidality in Hospice Context
Critical considerations for this patient:
- Monitor suicidality closely during the first weeks of mirtazapine treatment, as antidepressants can increase suicidal thoughts in some patients, though this risk is primarily documented in younger patients 2
- Benzodiazepines for acute anxiety/agitation: Lorazepam 0.5-1 mg PO every 4-6 hours as needed for breakthrough anxiety or distress 1, 3
- Avoid benzodiazepines as monotherapy for depression, as they can worsen underlying depressive symptoms and do not treat the core depressive illness 1
Pain Management Coordination
Ensure adequate opioid therapy continues:
- Continue baseline opioids for pain control, as mirtazapine does not replace analgesics 1
- Mirtazapine may enhance opioid effectiveness and reduce opioid-induced nausea 1
- Monitor for opioid-induced constipation and treat prophylactically with stimulant laxatives (senna, bisacodyl) 1
Refractory Symptom Management
If symptoms remain intractable despite above interventions:
- Levomepromazine 12.5-25 mg every 8 hours provides antipsychotic, antiemetic, and analgesic effects with rapid onset 1
- Chlorpromazine 25-50 mg PO at bedtime for refractory insomnia and agitation with antiemetic benefit 1
- Continuous subcutaneous infusion of antiemetics (haloperidol, metoclopramide) if oral route becomes unfeasible 1
- Palliative sedation with midazolam (starting 0.5-1 mg/hour continuous infusion) as last resort for truly refractory suffering 1
Important Caveats
Avoid these common pitfalls:
- Do not use benzodiazepines alone for depression, as they lack antidepressant efficacy and may worsen depressive symptoms 1
- Do not abruptly discontinue mirtazapine if started, as withdrawal can cause serious side effects 2
- Screen for delirium before treating with benzodiazepines, as benzodiazepines can worsen delirium; use haloperidol or olanzapine instead 1
- Monitor for orthostatic hypotension with antipsychotics, especially in bed-bound hospice patients 1
- Ensure family understands that treating depression and suffering does not hasten death and is appropriate palliative care 1
Timeline Expectations
Therapeutic response timeline:
- Antiemetic effects from mirtazapine: 1-3 days 1
- Sleep improvement: 1-3 days 1
- Antidepressant effects: 2-4 weeks for full response 2
- Appetite stimulation: 1-2 weeks 1
Given hospice status, prioritize rapid symptom relief with immediate antiemetic and anxiolytic interventions while allowing time for mirtazapine's antidepressant effects to develop 1.