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Heat Rash Center - Napa, CA

WebMD Physician Directory

Napa, California

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Heat Rash

What happens to the body as a result of exposure to extreme heat?

People suffer heat-related illness when the body's temperature control system is overloaded. The body normally cools itself by sweating. But under some conditions, sweating just isn't enough. In such cases, a person's body temperature rises rapidly. Very high body temperatures may damage the brain or other vital organs. Several factors affect the body's ability to cool itself during extremely hot weather. When the humidity is high, sweat will not evaporate as quickly, preventing the body from releasing heat quickly. Other conditions that can limit the ability to regulate temperature include:

  • old age,
  • youth (age 0-4),
  • obesity,
  • fever,
  • dehydration,
  • heart disease,
  • mental illness,
  • poor circulation,
  • sunburn and prescription drug use and

  • alcohol use.

Who is at greatest risk for heat-related illness?

Those at greatest risk for heat-related illness include infants and children up to four years of age, people 65 years of age and older, people who are overweight, and people who are ill or on certain medications.

What is heat rash?

Heat rash is a skin irritation caused by excessive sweating during hot, humid weather. It can occur at any age but is most common in young children.

What does heat rash look like?

Heat rash looks like a red cluster of pimples or small blisters. It is more likely to occur on the neck and upper chest, in the groin, under the breasts, and in elbow creases.

How is heat rash treated?

The best treatment for heat rash is to provide a cooler, less humid environment. Keep the affected area dry. Dusting powder may be used to increase comfort, but avoid using ointments or creams-they keep the...

Recommended Reading Related to Heat Rash

Heat-Related Illness »

Heat-related illness facts

  • Hyperthermia is overheating of the body.
  • Heat-related illness occurs as a result of heat exposure.
  • Heat-related illnesses include heat stroke, heat exhaustion, heat cramps, heat syncope, and heat rash.
  • Heat stroke is the most severe form of heat-related illness, and requires immediate medical attention.
  • Certain individuals, such as the elderly, infants and young children, the obese, and those with chronic medical conditions are at increased risk for developing heat-related illness.
  • Signs and symptoms of heat-related illness vary based on the condition, but may include an elevated body temperature, headache, nausea, weakness, dizziness, fainting, muscle cramps, and coma.
  • Treatment for heat-related illness generally includes moving the individual out of the hot environment, implementing cooling measures as needed, rest, and rehydra...

Emergency Contact for Napa

  • In case of Emergency, call 911

Nearby Napa Hospitals *

Sonoma Valley Hospital
347 Andrieux St
Sonoma, CA 95476
(707)935-5000

Queen of the Valley Medical Center
1000 Trancas St
Napa, CA 94558
(707)252-4411

Napa State Hospital
2100 Napa Vallejo Hwy
Napa, CA 94558
(707)253-5000

St Helena Hospital
10 Woodland Rd
Saint Helena, CA 94574
(707)963-3611

Petaluma Valley Hospital
400 N McDowell Blvd
Petaluma, CA 94954
(707)778-1111

Santa Rosa Memorial Hospital Main Campus
1165 Montgomery Dr
Santa Rosa, CA 95405
(707)546-3210

Sutter Medical Center of Santa Rosa Chanate Campus
3325 Chanate Rd
Santa Rosa, CA 95404
(707)576-4000

Kaiser Permanente Santa Rosa Medical Center
401 Bicentennial Way
Santa Rosa, CA 95403
(707)571-4000

Kaiser Permanente Vallejo Medical Center
975 Sereno Dr
Vallejo, CA 94589
(707)651-1000

Sutter Solano Medical Center
300 Hospital Dr
Vallejo, CA 94589
(707)554-4444

Novato Community Hospital
180 Rowland Way
Novato, CA 94945
(415)209-1300

St Helena Hospital Center for Behavioral Health
525 Oregon St
Vallejo, CA 94590
(707)648-2200

Palm Drive Hospital
501 Petaluma Ave
Sebastopol, CA 95472
(707)823-8511

Telecare Solano Psychiatric Health Facility
2101 Courage Dr
Fairfield, CA 94533
(707)784-2130

NorthBay Medical Center
1200 B Gale Wilson Blvd
Fairfield, CA 94533
(707)646-5000

Kaiser Permanente San Rafael Medical Center
99 Montecillo Rd
San Rafael, CA 94903
(415)444-2000

VacaValley Hospital
1000 Nut Tree Rd
Vacaville, CA 95687
(707)446-4000

Doctor's Medical Center San Pablo
2000 Vale Rd
San Pablo, CA 94806
(510)970-5000

Healdsburg District Hospital
1375 University St
Healdsburg, CA 95448
(707)431-6500

Kentfield Rehabilitation & Specialty Hospital
1125 Sir Francis Drake Blvd
Kentfield, CA 94904
(415)456-9680

Marin General Hospital
250 Bon Air Rd
Greenbrae, CA 94904
(415)925-7000

Contra Costa Regional Medical Center
2500 Alhambra Ave
Martinez, CA 94553
(925)370-5000

VA Northern CA Healthcare System at Martinez
150 Muir Rd
Martinez, CA 94553
(925)372-2000

John Muir Behavioral Health Center
2740 Grant St
Concord, CA 94520
(925)674-4100

John Muir Medical Center Concord Campus
2540 East St
Concord, CA 94520
(925)682-8200

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