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Bucks County Health Department

Main -- Bureau of Personal Health and Public Health Preparedness -- Bureau of Environmental Health

Tips for Preventing Heat-Related Illness

  • Drink fluids (non-alcoholic, caffeine free, and without a lot of sugar) Sport drinks with electrolytes help to replace salts lost through sweating.
  • Stay indoors and, if possible, stay in an air conditioned place. Limit outdoor activity to morning and evening hours and rest often in shady areas.
  • Wear lightweight, light-colored, loose-fitting clothing
  • NEVER leave anyone (pets or children) in a closed parked vehicle.
  • Some people are at greater risk for heat related illness. Check regularly on:
    • Infants and young children
    • People aged 65 or older
    • People who have a mental illness
    • Those who are physically ill, especially with heart disease or high blood pressure
  • Wear a hat and sunscreen to protect yourself from the sun (SPF 15 or higher)
  • Electric fans may provide comfort but will not prevent heat related illness if the temperatures are in the high 90’s. Take a cool bath or shower and try to move to an air-conditioned place.
  • Avoid hot foods and heavy meals

Heat Stroke


Heat stroke occurs when the body is unable to regulate its temperature. The body's temperature rises rapidly, the sweating mechanism fails, and the body is unable to cool down. Body temperature may rise to 106°F or higher within 10 to 15 minutes. Heat stroke can cause death or permanent disability if emergency treatment is not provided.

Signs and Symptoms:

  • An extremely high body temperature (above 103°F, orally)
  • Red, hot, and dry skin (no sweating)
  • Rapid, strong pulse
  • Throbbing headache
  • Dizziness
  • Nausea
  • Confusion
  • Unconsciousness

What to Do: If you see any of these signs, you may be dealing with a life-threatening emergency. Have someone call for immediate medical assistance while you begin cooling the victim. Do the following:

  • Get the victim to a shady area.
  • Cool the victim rapidly using whatever methods you can. For example, immerse the victim in a tub of cool water; place the person in a cool shower; spray the victim with cool water from a garden hose; sponge the person with cool water; or if the humidity is low, wrap the victim in a cool, wet sheet and fan him or her vigorously.
  • Monitor body temperature, and continue cooling efforts until the body temperature drops to 101-102°F.
  • If emergency medical personnel are delayed, call the hospital emergency room for further instructions.
  • Do not give the victim fluids to drink.
  • Get medical assistance as soon as possible.

Heat Exhaustion

Heat exhaustion is a milder form of heat-related illness that can develop after several days of exposure to high temperatures and inadequate or unbalanced replacement of fluids. It is the body's response to an excessive loss of the water and salt contained in sweat. Those most prone to heat exhaustion are elderly people, people with high blood pressure, and people working or exercising in a hot environment.

Warning signs of heat exhaustion include the following:

  • Heavy sweating
  • Paleness
  • Muscle cramps
  • Tiredness
  • Weakness
  • Dizziness
  • Headache
  • Nausea or vomiting
  • Fainting

The skin may be cool and moist. The victim's pulse rate will be fast and weak, and breathing will be fast and shallow. If heat exhaustion is untreated, it may progress to heat stroke. Seek medical attention immediately if any of the following occurs:

  • Symptoms are severe
  • The victim has heart problems or high blood pressure

Otherwise, help the victim to cool off, and seek medical attention if symptoms worsen or last longer than 1 hour.

What to Do: Cooling measures that may be effective include the following:

  • Cool, nonalcoholic beverages
  • Rest
  • Cool shower, bath, or sponge bath
  • An air-conditioned environment
  • Lightweight clothing

Heat Cramps

Heat cramps usually affect people who sweat a lot during strenuous activity. This sweating depletes the body's salt and moisture. The low salt level in the muscles may be the cause of heat cramps. Heat cramps may also be a symptom of heat exhaustion.

Recognizing Heat Cramps

Heat cramps are muscle pains or spasms—usually in the abdomen, arms, or legs—that may occur in association with strenuous activity. If you have heart problems or are on a low-sodium diet, get medical attention for heat cramps.

What to Do: If medical attention is not necessary, take these steps:

  • Stop all activity, and sit quietly in a cool place.
  • Drink clear juice or a sports beverage.
  • Do not return to strenuous activity for a few hours after the cramps subside, because further exertion may lead to heat exhaustion or heat stroke.
  • Seek medical attention for heat cramps if they do not subside in 1 hour.

Sunburn

Sunburn should be avoided because it damages the skin. Although the discomfort is usually minor and healing often occurs in about a week, a more severe sunburn may require medical attention.

Symptoms of sunburn are well known: the skin becomes red, painful, and abnormally warm after sun exposure.

What to Do: Consult a doctor if the sunburn affects an infant younger than 1 year of age or if these symptoms are present:

  • Fever
  • Fluid-filled blisters
  • Severe pain

Also, remember these tips when treating sunburn:

  • Avoid repeated sun exposure.
  • Apply cold compresses or immerse the sunburned area in cool water.
  • Apply moisturizing lotion to affected areas. Do not use salve, butter, or ointment.
  • Do not break blisters.

For more information on heat related issues visit http://www.bt.cdc.gov/disasters/extremeheat/faq.asp

Neshaminy Manor Center
Building K
Route 611 & Almshouse Rd.
Doylestown, PA 18901
Phone: 215-345-3318

Bucks County Government Services Centers
Branch Office
7321 New Falls Rd.
Levittown, PA 19055
Phone: 267-580-3510

Branch Office
261 California Road
Quakertown, PA 18951
Phone: 215-529-7000