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Although heatwaves are uncommon in England, in hot spells where temperatures remain abnormally high over more than a couple of days, excessive heat can sometimes prove fatal.
In severe heatwave the body can overheat and dehydrate leading to exhaustion or heatstroke. Both of these conditions will require urgent treatment.
People most at risk from extreme heat are babies and young children, older people including those living in care homes, as well as people in at-risk groups (such as people who have mental health problems, mobility problems or who are bed-bound, or have serious chronic conditions, or people on certain medication).
During hot weather, people are advised to:
For more information about the symptoms of heat exhaustion or heatstroke, as well as more advice on what to do during hot spells please see the "NHS guide to looking after yourself and others during hot weather", which can be downloaded from the right of the page.