This page has content that may be inconsistent with new CDC Heat and Health Guidance. The content of this page will be updated soon.

Heat and Chronic Conditions

Key Points
  • Hot days can be dangerous for anyone, but it can be especially dangerous for those with chronic medical conditions.
  • If you or someone you know has a chronic medical condition, follow the information below to help keep you, or the person in your care, safe.
What increases risk?

Take steps to protect your health during extreme heat.

Why are people with chronic medical conditions more vulnerable to heat?

  • They may be less likely to sense and respond to changes in temperature.
  • They may be taking medications that can make the effect of heat worse.
  • Conditions like heart disease, mental illness, poor blood circulation, and obesity are risk factors for heat-related illness. Individuals who are overweight or obese tend to retain more body heat.

If you have heart disease, review these heat tips and create a heat action plan with your doctor.

Stay safe during extreme heat

Stay cool and stay hydrated.

  • Follow additional tips on how to prevent heat-related illness.
  • Keep in mind that heavy sweating can remove salt and minerals from your body. Talk to your doctor about how to safely replace salt and minerals lost through sweating.
  • Do not engage in very strenuous activities and get plenty of rest.
  • Check on a friend or neighbor and have someone do the same for you.
  • Check the local news for health and safety updates regularly.

Caretaker Checklist

Keep a close eye on those in your care by visiting them at least twice a day, and ask yourself these questions:

Question #1

Question #1

Are they drinking enough water?

Are they drinking enough water?

Question #2

Question #2

Do they have access to air conditioning?

Do they have access to air conditioning?

Question #3

Question #3

Do they know how to keep cool?

Do they know how to keep cool?

Question #4

Question #4

Do they show signs of heat stress?

Do they show signs of heat stress?

Learn how to spot heat-related illness.