VARIATION on how varicella vaccines are described in prescribing software may be factors in a recent increase in incident reports where incorrect vaccinations have been prescribed or supplied, professional indemnity (PI) insurer, Pharmaceutical Defence Limited (PDL), believes.
"Most reports indicate the intended varicella vaccine is for the prevention of chickenpox, however transcription and selection errors have seen herpes zoster (shingles) vaccines provided," PDL reported.
"PDL is concerned about these errors, especially since PDL's statistics show incidents involving children are more likely to lead to a regulatory complaint.
"Prescriptions intended for a chickenpox vaccine have been generated with the following wordings: 'Varicella-Zoster Virus Live Attenuated Antigen (OKA Strain) Vaccine Powder' or 'Varicella Vaccine Vial'.
"PDL encourages all pharmacists to ensure a thorough history is taken to determine the indication and patient's expectations.
"Use of an open question, such as, 'as part of my checking process, please confirm the condition you are preventing with this vaccine', may clarify the indication.
"Confirmation with the prescriber may be required when there is doubt about the vaccine's purpose.
"Patient age should not be the sole criteria on which a pharmacist makes a decision about these vaccines as adults may present a prescription for either indication.
"Adult vaccination against chickenpox may be more likely for unvaccinated adults who are healthcare workers, childhood educators and carers, or those working in long-term care facilities.
"Consideration should also be given to appropriateness for women of child-bearing age."
PDL encouraged pharmacists to review product information documentation for contraindications and precautions for the vaccines.
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