Why symptoms and an antibiotic name cannot identify a bacterial infection, and what diagnosis, allergy, site and resistance change.
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Dr Roger Teo graduated from the NUS Yong Loo Lin School of Medicine in 2013. He later completed Graduate Diplomas in Occupational Medicine and Family Medicine and is a certified Designated Workplace Doctor. He practises at Love & Joy Family Clinic in Clementi, Singapore.
His background includes internal medicine, primary care, paediatric acute care, venereology and men’s health. The Love & Joy Family Clinic blog names him as the medical reviewer across its patient articles on vaccination, health screening, sexual health and preventive care.
Selected guides
Why nitrate and chest-pain medicines must be checked before comparing sildenafil, tadalafil or other PDE5 inhibitors.
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Understand reliever, preventer, AIR and MART inhaler roles, and why ingredients and an asthma action plan matter more than device colour.
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Compare NSAIDs by kidney, stomach, bleeding and cardiovascular checks, not by which brand seems strongest, especially around dehydration.
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Compare older sedating and newer less-sedating antihistamines, including driving, alcohol, duplicate products and why individual drowsiness varies.
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