Table 3 Medicines shared by participants

Allergy medications (e.g., e.g., Zetop^®, EpiPen^®, hay fever medications)

Antibiotics (e.g., amoxicillin, Augmentin^®)

Antidiarrhoeal medications

Antiemetic medications

Antihypertensives

Anti-inflammatory medications (e.g., diclofenac, naproxen)

Asthma inhalers (e.g., Ventolin^®, Symbicort^® inhaler)

Botox^® (cosmetic use)

Cardiovascular medications (e.g., Cartia^®, aspirin)

Cholesterol medications (e.g., simvastatin)

Constipation relief medications (e.g., VitoLax^®)

Diabetes medications (e.g., metformin, glipizide)

Dietary supplements (e.g., glucosamine tablets)

Gastric/duodenal ulcer medications (e.g., omeprazole, Losec^®)

Homeopathic medications

Hypnotics (e.g. nitrazepam, Valium^®, melatonin)

Migraine medications (e.g., sumatriptan)

Muscle relaxants

Nasal spray to treat snoring

Nitrous oxide canister

Oral contraceptive pills

Pain medications (e.g. tramadol, morphine, codeine, pethidine)

Psoriasis medications

Topical antifungal/corticosteroids (e.g., Micreme H^®, Betnovate^®, eczema medications)