ObjectivesTo identify consumer information needs about paracetamol, the most commonly used analgesic and antipyretic worldwide.DesignRetrospective analysis of medicines questions from the public.SettingAustralian consumer medicines call centre.ParticipantsCallers to National Prescribing Service Medicines Line between September 2002 and June 2010 (n=123 217).Main outcome measuresEnquiry profile: demographics, enquiry type and concurrent medicines included in paracetamol calls; question themes derived from subset of call narratives.ResultsParacetamol comprised part of the enquiry in 5.2% of calls (n=6367). The caller age distribution for paracetamol calls was skewed towards a younger cohort, with 45.2% made by those aged 25–44 vs 37.5% in ‘rest of calls’. Significantly more paracetamol-related calls were made for a child (23.7%) compared with ‘rest of calls’ (12.7%, p<0.001). The most frequent concurrently asked about medicines were codeine (11%, n=1521) and ibuprofen (6.4%, n=884). Questions underpinned by paracetamol risk (interaction, use in pregnancy/lactation or other safety concerns) predominated (55.8%). When individual paracetamol enquiry types were compared with ‘rest of calls’, efficacy was most frequent (24.9% vs 22.8%); however, interaction (21.5% vs 14.8%), administration (15.5% vs 11%) and pregnancy/lactation (13.8% vs 8.3%) categories were more prevalent for paracetamol calls (all p<0.001). Enquiry type frequency also varied by patient age group, with questions about administration more common in younger groups and efficacy dominating in those over 45. Narrative analysis of over-represented paracetamol enquiry types showed specific concerns relevant to life stages: young children, those of reproductive age and the elderly.ConclusionsConsumers have many concerns about the use of paracetamol that may be under-recognised by healthcare providers, with the nature of enquiries differing across life stages. These concerns are not adequately addressed by available consumer information. Improving access to targeted information about paracetamol would promote the safe and effective use of this common medicine.
In treatment or prevention of COVID-19, ivermectin is not approved by the United States (US) Food and Drug Administration (FDA). Nonetheless, in the US, prescriptions of ivermectin by healthcare providers have increased > tenfold from 3589 per week pre-COVID-19 to 39,102. Ivermectin is FDA approved for animals to treat parasites and for humans to treat intestinal strongyloidiasis and onchocerciasis orally, and ectoparasites and skin conditions topically. It is not a benign drug, with reported side effects including cutaneous, gastrointestinal, and cardiovascular symptoms. The evidence to support ivermectin to treat or prevent COVID-19 includes some basic research and inconsistent clinical observations that contribute to the formulation of a hypothesis of efficacy in COVID-19. At present, data from peer-reviewed published randomized trials of sufficient size, dose, and duration to reliably test the hypothesis of the most plausible small to moderate benefits on clinically relevant endpoints are sparse. In addition to the US FDA, the US National Institutes of Health, World Health Organization, and European Medicines Agency have all advised against ivermectin for treatment or prevention of COVID-19 outside of randomized trials. For ivermectin in treatment or prevention of COVID-19, healthcare providers should reassure all patients that if sufficient evidence were to emerge, then this drug could be considered a therapeutic innovation and regulatory authorities would approve the drug. In the meanwhile, we strongly recommend a moratorium on the prescription of ivermectin for the treatment or prevention of COVID-19 except in randomized trials to provide the most reliable test of the hypothesis.
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