Sunstroke and heatstroke in children: Symptoms, first aid, and key differences
After a walk or a day at the beach, your child suddenly becomes tired, refuses to eat, or complains of a headache. Sound familiar? Many parents assume these symptoms are simply caused by fatigue or lack of sleep. However, they may actually be the first signs of sunstroke or heatstroke. Understanding the difference between these conditions, recognizing the warning signs, and knowing how to provide first aid can help prevent serious complications.
Sunstroke occurs when the head and neck are exposed to direct sunlight for an extended period. It most commonly develops during beach outings, outdoor activities in hot weather without a hat, or prolonged time spent under direct sunlight.
Heatstroke, on the other hand, is caused by a general rise in body temperature due to overheating. It does not require direct sun exposure. A child can develop heatstroke inside a parked car, in a poorly ventilated room, on public transportation, or during vigorous physical activity in hot weather. For example, the temperature inside a parked vehicle can reach dangerous levels in less than 20 minutes during summer, making it extremely unsafe to leave a child inside even for a short time.
Simply put, every case of sunstroke involves overheating, but not every case of heatstroke is caused by sun exposure.
Why do children overheat faster than adults?
A child's body is less efficient at regulating temperature than an adult's. Children heat up more quickly, lose fluids faster, and are less able to cope with excessive heat. In addition, they often become so absorbed in play that they fail to notice thirst, fatigue, or the early signs of overheating. Younger children may not be able to explain how they feel at all.
Infants, children under the age of five, and those who are overweight, have chronic medical conditions, or participate in intense physical activity during hot weather are at the highest risk of developing sunstroke or heatstroke.
Early signs of sunstroke and heatstroke
A child may complain of a headache, weakness, or dizziness. Other common symptoms include fatigue, drowsiness, nausea, and refusal to eat or drink. Some children become irritable and tearful, while others may appear unusually quiet or lethargic.
Physical signs may include hot, flushed skin and an elevated body temperature. In more severe cases, vomiting, a rapid heartbeat, or poor coordination may develop.
It is important to remember that symptoms do not always appear immediately. A child may seem perfectly well during outdoor activities, with the first signs developing on the way home or even several hours after sun exposure.
When should you seek emergency medical care?
Call emergency medical services immediately if your child experiences any of the following:
- A high body temperature that does not decrease
- Repeated vomiting
- Severe headache
- Confusion or altered mental status
- Seizures
- Difficulty breathing
- Loss of consciousness
- No response when spoken to
In most cases, mild overheating resolves with rest, cooling, and adequate fluid intake. However, prompt evaluation bya family physician may sometimes be necessary. If you are concerned about your child's condition, you can arrange an online pediatric consultation or request a home visit by a pediatrician. A doctor can quickly evaluate your child, rule out potential complications, and provide recommendations for recovery and safe sun exposure in the future.
First aid for sunstroke and heatstroke: what should parents do?
First, move your child to a cool, shaded area. If possible, take them indoors to an air-conditioned or well-ventilated room. Remove or loosen unnecessary clothing to help the body release excess heat more effectively.
Offer cool drinking water in small sips. Avoid forcing your child to drink large amounts at once, especially if they feel nauseated or unwell.
To help lower body temperature, apply cool, damp towels or compresses to the forehead, neck, armpits, and other areas where large blood vessels are close to the skin. If your child is alert and feeling well enough, gently sponging the body with room-temperature water may also be beneficial.
Continue to monitor your child's condition closely. Improvement is indicated when symptoms gradually subside, your child becomes more alert, and they are able to drink fluids normally.
What should you never do?
In an attempt to help quickly, parents sometimes make mistakes that can worsen the situation. Do not pour ice-cold water over your child or place them in an ice bath. Sudden cooling places additional stress on the body and may cause blood vessels to constrict.
You should also avoid leaving your child unattended, forcing them to eat, or allowing them to resume outdoor activities immediately after they begin to feel better. Even after mild overheating, the body needs time to recover fully.
How can you prevent sunstroke and heatstroke?
Whenever possible, schedule outdoor activities during the early morning or late afternoon, when the sun is less intense. Between 12:00 p.m. and 4:00 p.m., when temperatures and UV exposure are typically at their highest, it is best to avoid prolonged outdoor activities. If going outside during these hours is unavoidable, stay in the shade whenever possible, cool down regularly, and limit direct sun exposure.
Maintaining adequate hydration is equally important. Children often become so engaged in play that they forget to drink, so parents should offer water regularly even if the child does not ask for it.
Dress your child in lightweight, loose-fitting clothing made from light-colored, breathable natural fabrics that allow heat to dissipate efficiently. A wide-brimmed hat or other appropriate head covering helps protect the head from direct sunlight and reduces the risk of sunstroke.
If your child is playing or participating in sports outdoors, encourage regular breaks in the shade and monitor them for any signs of overheating. Sometimes, just a few minutes of rest can prevent a serious heat-related illness.
One safety rule should never be forgotten: never leave a child alone in a parked vehicle, even for a few minutes.
Summer is a wonderful time for family outings, outdoor adventures, and creating lasting childhood memories. By following simple sun safety measures, you can help protect your child from overheating and ensure that the season remains safe, enjoyable, and worry-free.
If you have any concerns about your child's health or need professional medical advice, the team at Doctor Sam Medical Center is always here to help.
To schedule an appointment, call +380 97 312 92 91 or visit Doctor Sam Medical Center at 1 Kiltseva Road, Respublika Park Shopping Mall, Kyiv, Ukraine.
