Polypharmacy domain

The Atlas of Healthcare Variation polypharmacy category displays data on the dispensing of medicines in people aged 65 and over. Polypharmacy is associated with reduced adherence to therapies, significant costs to patients and health services and poor health outcomes, such as adverse drug events, drug interactions, admissions to hospital and death.

Name Description Data sources Responsible organisation(s) Measure methodology last updated
PHO-enrolled population aged 65 years and over who received a benzodiazepine or zopiclone

This measure shows the percentage of people aged 65 years and over who were dispensed a benzodiazepine or zopiclone during the calendar year. This measure cannot assess inappropriate use of these medicines, however, high rates of prescribing may indicate misuse or overuse. 

Pharmaceutical Collection (PHARMS), Primary Health Organisation (PHO) Enrolment Collection Health Quality & Safety Commission | Te Tāhū Hauora December 2025
People aged 65 years and over who received both a benzodiazepine or zopiclone and an antipsychotic in the same quarter during the calendar year

This measure shows the percentage of people aged 65 years and over who were dispensed a benzodiazepine or zopiclone  and an antipsychotic in the same quarter during the calendar year. This measure cannot assess inappropriate use of these medicines, however, high rates of prescribing may indicate misuse or overuse. 

Pharmaceutical Collection (PHARMS), Primary Health Organisation (PHO) Enrolment Collection Health Quality & Safety Commission | Te Tāhū Hauora December 2025
People aged 65 years and over who received the triple whammy, percent

This measure details the percentage of people aged 65 years and over who received the ‘triple whammy’ during the same 90-day period.  The term “triple whammy” refers to the concurrent use of an angiotensin converting enzyme (ACE) inhibitor or an angiotensin-II receptor blocker (ARB), with a diuretic and a non-steroidal anti-inflammatory drug (NSAID), including cyclo-oxygenase-2 (COX-2) inhibitors. 

Pharmaceutical Collection (PHARMS), Primary Health Organisation (PHO) Enrolment Collection Health Quality & Safety Commission | Te Tāhū Hauora December 2025
People aged 65 and over dispensed five, six or seven unique long-term medications, percent

This measure shows the percentage of people aged 65 years and over who were dispensed five, six or seven unique long-term medicines. 

Pharmaceutical Collection (PHARMS), Primary Health Organisation (PHO) Enrolment Collection Health Quality & Safety Commission | Te Tāhū Hauora December 2025
People aged 65 years and over dispensed five or more unique long-term medications, percent

This measure shows the percentage of people aged 65 years and over who were dispensed five or more unique long-term medicines. 

Pharmaceutical Collection (PHARMS), Primary Health Organisation (PHO) Enrolment Collection Health Quality & Safety Commission | Te Tāhū Hauora December 2025
People aged 65 years and over dispensed eight, nine or ten unique long-term medications, percent

This measure shows the percentage of people aged 65 years and over who were dispensed eight, nine or ten unique long-term medicines. 

Pharmaceutical Collection (PHARMS), Primary Health Organisation (PHO) Enrolment Collection Health Quality & Safety Commission | Te Tāhū Hauora December 2025
PHO-enrolled population aged 65 years and over who received an antipsychotic during the year, percent

This measure shows the percentage of people aged 65 years and over who were dispensed one or more antipsychotic medicines during the year. 

Pharmaceutical Collection (PHARMS), Primary Health Organisation (PHO) Enrolment Collection Health Quality & Safety Commission | Te Tāhū Hauora December 2025
People aged 65 years and over dispensed 11 or more unique long-term medications, percent

This measure shows the percentage of people aged 65 years and over who were dispensed 11 or more unique long-term medicines. 

Pharmaceutical Collection (PHARMS), Primary Health Organisation (PHO) Enrolment Collection Health Quality & Safety Commission | Te Tāhū Hauora December 2025