Fever is the body’s natural response to fight off viruses, bacteria, or other infectious agents. For young children, especially those under 5, fever is common because their immune system is still immature. However, many parents underestimate nighttime fevers — the time when body temperature often spikes and complications can develop silently.
In fact, many cases of febrile seizures occur at night when the child is deeply asleep and parents are less attentive. Understanding the nature of fever, its common causes, and how to monitor it properly with an infrared thermometer, plus keeping a detailed temperature log, will help parents stay proactive instead of panicking at the last minute.
/vi-sao-tre-hay-sot-ve-dem.jpg)
Medical research shows:
At night, body temperature tends to rise slightly due to our natural circadian rhythms and lower cortisol levels.
Children with infections, colds, or viral fevers often experience higher temperatures in the late evening or early morning hours.
When sleeping, parents may overlook signs like sweating, excessive blankets, or curled sleeping positions that prevent the body from cooling down properly.
Understanding this natural cycle and the factors that worsen a fever will help you monitor and respond appropriately.
/theo-doi-than-nhiet-tre-ve-dem.jpg)
Infrared thermometer: Forehead or ear type for quick, non-contact readings without waking the child.
Temperature log/checklist: Record readings, time, and any medication given.
Night light: Makes it easy to take readings without disturbing your child’s sleep.
Mild fever (37.5–38°C / 99.5–100.4°F): Check every 2–3 hours.
Fever ≥ 38.5°C / 101.3°F: Check every 1–2 hours.
If your child has a history of seizures: Check even more frequently — every 30–60 minutes.
TIP: Always take at least 2–3 readings each time and average them to minimize error.
/dung-nhiet-ke-hong-ngoai-khi-tre-dang-ngu.jpg)
Many parents wonder: Is it okay to measure temperature while my child is asleep?
The answer is YES, but do it correctly to avoid startling them.
Gently dry the forehead and keep hair out of the way.
Hold the thermometer parallel to the skin; keep the child’s head steady.
Keep the ideal distance: 3–5 cm (about 1–2 inches).
Avoid strong lights or loud noises that could wake the child.
Common mistakes to avoid:
Holding the thermometer too close or too far.
Taking a reading right after the child has cried, had milk, or run around after waking up.
/khi-nao-can-dua-tre-di-kham.jpg)
Remember these warning signs — do not delay medical care if you see them:
Fever stays above 39.5°C (103.1°F) and does not respond after 2 doses of fever reducer.
Child is drowsy, lethargic, refuses to eat or drink.
Difficulty breathing, lips turn bluish.
Seizures, eyes rolling back.
Unusual rash, repeated vomiting.
Rule of thumb: If you notice any abnormal signs, call your doctor or go to the hospital immediately — never increase medication dosage on your own.
A simple temperature log helps you and your doctor:
Understand how the fever is progressing.
Know what medications were given and when.
Observe how your child is eating, drinking, and sleeping.
Example:
|
Time |
Temperature |
Medication |
Child’s Condition |
|
21:00 |
38.2°C |
None |
Still playing normally |
|
23:00 |
38.7°C |
Paracetamol |
Starting to feel tired |
|
02:00 |
38.5°C |
— |
Sleeping soundly |
❌ Over-bundling your child: Many parents fear chills and wrap their child too tightly, which traps heat and raises body temperature.
✅ Dress your child in light, breathable clothes: Use warm compresses under the arms or groin to help naturally reduce fever.
❌ Giving multiple fever medications at once: This can lead to overdosing and liver damage.
✅ Stick to Paracetamol or Ibuprofen only, at the correct dose.
❌ Not checking temperature regularly: Wrong timing may mean missing dangerous spikes.
✅ Use an infrared thermometer for frequent checks, and log every reading.
- Non-contact – you can take readings while your child sleeps.
- Fast – only 1–3 seconds per reading.
- Minimizes cross-infection within the household.
- Many models can also measure milk, bath water, or room temperature.
Choose reputable brands: Yuwell, Omron, Microlife.
Ideal accuracy: ±0.2°C.
Calibration recommended: Every 6–12 months.
/cau-hoi-thuong-gap.jpg)
Absolutely. It’s quick, safe, and mercury-free.
Depends on the fever: mild = every 2–3 hours; high = every 1–2 hours or closer for seizure-prone kids.
At 39.5°C (103.1°F) or higher, or if you see seizures, trouble breathing, or unusual drowsiness.
No. A good infrared thermometer is accurate enough if used properly.
A quality infrared thermometer plus a 24-hour temperature checklist is your best shield against sudden nighttime fevers. Fever can happen to anyone — from babies to adults — but well-informed parents are never caught off guard!
Stay calm. Take accurate readings. Track them carefully. Follow the right steps for home care. And always get medical help if you see any danger signs.
——————————
VAN LONG TRADING SERVICE DEVELOPMENT COMPANY
YOUR NEEDS - OUR BUSINESS
Hotline: (028) 3526 2468 / 098.484.0440
Email: cskh@vl-groups.com
Website: www.vl-groups.com
Address:
- Ho Chi Minh Office: Fosco Building, D35 + D36 - 40 Ba Huyen Thanh Quan, Xuan Hoa Ward, Ho Chi Minh City
- Warranty Center: 373/14 Nguyen Kiem, Duc Nhuan Ward, Ho Chi Minh City
- Hanoi Office: Hong Ha Office Area, 38.3/1 Alley 109 Truong Chinh, Phuong Liet Ward, Thanh Xuan District, Hanoi
- Warehouse: 938 National Road 1A, Linh Xuan Ward, Ho Chi Minh City
🌼 Shopee: https://shopee.vn/vanlonggroups
🌼 Tiktok: https://www.tiktok.com/@thietbichamsocsuckhoe
🌼 Tiki: https://tiki.vn/cua-hang/cham-soc-suc-khoe-van-long
🌼 Lazada: https://www.lazada.vn/shop/van-long-our-needs-your-business
Tiếng Việt