Feeling unwell during hot weather deserves attention. Learn where official medical guidance is and how to get assistance, while avoiding the assumption that every headache is harmless or every symptom can be managed with a household kit.

Know the serious warning signs
The NHS identifies heatstroke as a medical emergency. Signs can include confusion, seizures or loss of consciousness, along with other serious heat-related symptoms. Use emergency medical help when heatstroke is suspected. Do not wait to obtain a perfect temperature reading or compare the person with a photograph on a website.
- Save the current NHS heat-illness page.
- Know the address or location for an emergency call.
Respond promptly to feeling unwell
Stop unnecessary heat exposure and follow current NHS or local medical advice. Seek appropriate help if symptoms persist, worsen or concern you. People with individual health conditions may need specific advice. Do not prescribe salt, supplements, medicine changes or forced fluid amounts based on a generic emergency plan.
- Tell someone if you are alone and unwell.
- Use healthcare advice for infants and vulnerable people promptly.
Make help easier to reach
Keep a charged phone, relevant medical information and an agreed contact accessible. On an outing, know where staff assistance is available. At home, plan support for someone who may struggle to communicate. A fan, water reserve or cool room can be part of prevention, but none proves a sick person is safe.
- Do not leave an unwell person unsupported.
- Follow emergency call-handler instructions.
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