What’s the difference between heatstroke and sunstroke?

Heatstroke vs sunstroke is a common summer health question. Heatstroke is a life-threatening form of heat-related illness, while “sunstroke” is an older term often used to describe heat exposure affecting the head and neck. In this episode, we explain symptoms, risks, and when urgent care is required in Europe.

In this episode, we cover:

• What heatstroke is (core body temperature ≥40°C with central nervous system dysfunction)

• What “sunstroke” typically refers to in non-medical language

• Early heat illness signs: heavy sweating, weakness, dizziness

• Severe symptoms: confusion, fainting, seizures, dry hot skin

• Risk groups: older adults, children, athletes, people with heart disease

• Immediate first aid steps (cooling, emergency services)

• Prevention strategies: hydration, shade, avoiding peak heat hours

• When emergency services (112 in the EU) must be called

Doctors assess body temperature, mental status, hydration, medication use (e.g., diuretics), and cardiovascular risk when reviewing heat illness. Heatstroke is a medical emergency requiring urgent in-person treatment. Milder heat exhaustion may still require evaluation if symptoms persist.

This episode reflects how acute heat-related illness is reviewed within structured medical assessment in European telemedicine at Mobi Doctor.

Read the full medical guide here:

https://www.mobidoctor.eu/blog/heatstroke-vs-sunstroke