Some medicine can be affected by the heat13:57, 09 Jul 2026Health officials are urging anyone who will take medication during the UK heatwave to follow three pieces of advice to keep themselves safe.‌With the UK in the grips of the third 2026 heatwave, the Medicines and Healthcare products Regulatory Agency (MHRA) has reminded people that hot conditions can affect medicines and how well they work.‌It comes as temperatures could reach as high as 36C this week, with an amber heat-health alert in force across most of England including Greater Manchester and the north west.‌Click here to get the biggest stories straight to your inbox in our Daily NewsletterHot weather changes how your body responds to medications, which could impact people managing long-term conditions – but a few simple steps