Monitoring and Managing Alzheimer's Disease with Hallucinations

The American Academy of Family Physicians recommends monitoring for initial increase in agitation that typically subsides after the first few weeks of therapy with donepezil 1, 2
The American Academy of Family Physicians suggests checking for gastrointestinal side effects such as nausea, vomiting, and diarrhea, which occur more frequently with the 10 mg dose of donepezil than with 5 mg 1
The American Academy of Family Physicians advises monitoring for orthostatic hypotension, sedation, and extrapyramidal symptoms in patients taking quetiapine 3
The American Academy of Family Physicians warns that tardive dyskinesia can develop in up to 50% of elderly patients after continuous use of antipsychotics for 2 years 4

Additional Assessments

The American Academy of Family Physicians recommends assessing for signs of dehydration or electrolyte imbalances that may be caused by GI side effects 1
The American Academy of Family Physicians suggests evaluating if hallucinations are improving with current medication regimen, and assessing for other neuropsychiatric symptoms that may emerge or worsen 3
The American Academy of Family Physicians advises monitoring cognitive function to determine if there is stabilization or continued decline despite medication adjustments 2

The American Academy of Family Physicians recommends ruling out delirium by checking for acute changes in mental status, fluctuating course, inattention, and disorganized thinking 3
The American Academy of Family Physicians suggests checking for infections, particularly UTI, which can exacerbate neuropsychiatric symptoms in patients with dementia 3
The American Academy of Family Physicians advises reviewing all medications for potential interactions or side effects that could contribute to hallucinations 3
The American Academy of Family Physicians recommends assessing for sensory deficits, such as vision or hearing impairments, that might contribute to misperceptions and hallucinations 3

The American Academy of Family Physicians suggests considering mood-stabilizing alternatives such as divalproex sodium for persistent hallucinations 3
The American Academy of Family Physicians recommends considering trazodone as an alternative to antipsychotics for controlling severe agitation and hallucinations 3
The American Academy of Family Physicians advises that for quetiapine, doses up to 200 mg twice daily may be used if needed, but monitor closely for side effects 3

The American Academy of Family Physicians warns to avoid typical antipsychotics if possible due to their significant side effects and high risk of tardive dyskinesia 4
The American Academy of Family Physicians advises avoiding benzodiazepines for agitation as they can lead to tolerance, addiction, cognitive impairment, and paradoxical agitation in about 10% of elderly patients 3
The American Academy of Family Physicians recommends being aware that donepezil may initially increase agitation before improvement occurs 1, 2

The American Academy of Family Physicians suggests educating caregivers about medication side effects to watch for and when to contact healthcare providers 3
The American Academy of Family Physicians recommends providing guidance on non-pharmacological approaches to managing hallucinations and sundowning behaviors 3