Heat-Related Illness
Prevention and Treatment

• The only way to prevent heat-related illnesses is to stay cool and well-hydrated. Keep to shaded and air conditioned areas as much as possible, and drink plenty of fluids. Wearing loose, light clothing is also beneficial.

• Travelers who are planning to engage in strenuous activities such as hiking or mountain climbing while abroad should acclimatize to the local temperatures for the first few days before exerting themselves, and monitor their exertion levels.

• If you experience symptoms consistent with heat exhaustion, you should immediately move to a cooler area and drink plenty of water. Salt and other electrolytes will help maintain hydration.

• If heat exhaustion symptoms do not resolve within 20 to 30 minutes, or if you experience any symptoms of heatstroke, you should stay cool and continue hydration, but seek immediate medical attention. Untreated, heat exhaustion can progress to heatstroke. Heatstroke left untreated can lead to multiple system organ failure, coma, and death.

General Information on Heat-Related Illness

Centers for Disease Control and Prevention Information on Heat-Related Illness

Travelers Printable Checklist (PDF)

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