UK regulators warn of heat illness risk from ibuprofen and naproxen

UK regulators warned this week that people taking ibuprofen, naproxen, and other common medications face greater risk of heat stroke and heat-related illness during hot weather. The MHRA said painkillers can increase sun sensitivity, while dehydration while using anti-inflammatories, blood thinners, blood pressure drugs, diabetes medications, or lithium may reduce blood flow to organs and cause damage. Amid record UK heat, officials advise storing medicines below 25°C. Heat can break down active ingredients; changed colour, smell, or texture may signal damage, so ask a pharmacist.