Overview
- Medical experts define heat stroke as a life‑threatening emergency when core temperature exceeds 40 °C, with risk of multiorgan damage and death without rapid cooling.
- Infants under six months should avoid direct sun due to burn and dehydration risk, while children require broad‑spectrum sunscreen of at least SPF 30 reapplied every 2–4 hours.
- Older adults face silent dehydration because thirst diminishes with age, a risk heightened for those taking diuretics.
- Authorities recommend regular fluids of roughly two liters per day with electrolyte replacement, avoiding sugary or alcoholic drinks, limiting strenuous activity, and staying out of direct sun from 11:00 to 16:00.
- Heat exposure varies across the capital, with higher daytime temperatures reported in Lima Este compared with Lima Oeste and Callao, making ventilation and shade especially important.