Signs and symptoms

Heat exhaustion or heatstroke can develop quickly over a few minutes, or gradually over several hours or days. Signs of heat exhaustion can include: tiredness and weakness feeling faint or Lightheadedness a decrease in blood pressure a headache muscle cramps feeling and being sick heavy sweating intense thirst afast pulse urinating less often and having much darker urine than usual If left untreated, more severe symptoms of heatstroke can develop, including confusion, disorientation, seizures (fits) and a loss of consciousness.
Content supplied by the NHS Website

Medically Reviewed by a doctor on