3-232 Medication effective but side effects increased
Mild Alzheimer resident on Risperidol 0.5 mg Q a.m. and 1.25 QHS became agitated daily – wanting to
go home. She was given Ativan 1 mg for agitation & this seemed effective. Then she required an
increase in medication – Risperidol increased to 0.5 mg @ 1700 for a total of 2.25 mg/day. No further
Ativan required as agitation now decreased but resident now has shuffling gait. What is the better
I wonder, what was the purpose of using the Risperidone from the onset? Agitation alone without
irritability and aggression are not in itself an indication for using antipsychotic in the demented elderly.
It looks like the Risperidone near 3 mg daily have achieved enough sedation with extrapyramidal side
effects (shuffling gait). There are certainly other options that can be considered, as Risperidone up to 2
mg daily is generally recommended for the demented elderly with agitated/aggressive or psychotic
You may want to consider reducing the Risperidol to 2.0 mg/daily as the cumulative effect of the drug
may have occurred, watching for i.e., emergence of symptoms and hopefully, a reduction of the EPS
You may also want to consider a search for other drugs that may cause EPS; some stomach
preparations can be culprits. If this doesn’t work with the family doctor, a switch may be considered.
Olanzapine or Quetiapine are other atypical antipsychotics beside Risperidone that are recommended
for dementia with behaviour and psychological symptoms. Olazapine starting at a dose of 2.5 mg at hs
or Quetiapine starting at a dose of 12.5 mg BID are reasonable options.
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