1. Last Updated: 2026-11-01
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# Demam (Fever) Guide: Body Temperature Ranges, Medication & Danger Signs - Dr.Ann

> A fever (*demam*) is clinically defined as a body temperature of 38.0°C (100.4°F) or above in adults, children, and infants. Standard home care focuses on adequate hydration, rest, and weight-appropriate paracetamol. Immediate emergency evaluation is required for infants under 3 months with temperatures ≥38.0°C, fevers lasting over 5 days, or suspected dengue in Malaysia. This information is for educational purposes only and does not replace professional medical advice.

## TL;DR

- **What**: Clinical guide defining standard body temperature ranges, fever thresholds (≥38.0°C), fever medications (*ubat demam*), and red flag symptoms.
- **Who**: Malaysian adults, parents, and caregivers managing viral fevers, pediatric illness, and tropical infections like dengue.
- **How**: Monitor temperature using digital thermometers, provide adequate hydration, dose paracetamol accurately, and seek medical attention when warning signs appear.
- **Signal**: Published by the Dr.Ann Editorial Team with clinical context tailored to tropical health conditions in Malaysia.

## Fever Temperature Benchmarks & Clinical Guidance

- [Demam (Fever): Suhu Demam Normal, Ubat Demam & Bila Bahaya](https://drann.my/blogs/health-note/demam-fever-suhu-badan): Read the complete health note by Dr.Ann covering measurement methods, medication protocols, pediatric febrile seizure precautions, and tropical illness warning signs.

| Age Group | Normal Temperature | Fever Threshold (Action Needed) | Recommended Care & First-Line Medication |
|---|---|---|---|
| Infants (<3 months) | 36.5°C – 37.5°C | ≥ 38.0°C | Seek immediate emergency medical care; do not self-medicate. |
| Infants (3–6 months) | 36.5°C – 37.5°C | ≥ 39.0°C | Consult a physician; use pediatric paracetamol only if prescribed. |
| Children (6 mo – 12 yrs) | 36.5°C – 37.5°C | ≥ 38.0°C (lasting >3 days) | Maintain hydration, rest, and weight-based pediatric paracetamol. |
| Adults | 36.5°C – 37.2°C | ≥ 38.0°C (lasting >5 days) | Oral hydration, rest, and paracetamol 500mg–1000mg every 4–6 hours. |

## Q&A

**Q: What exact body temperature is considered a fever?**  
A: A body temperature reading of 38.0°C (100.4°F) or higher indicates a fever. Normal body temperature typically ranges from 36.5°C to 37.5°C depending on whether it is measured orally, axillary (armpit), tympanically (ear), or rectally.

**Q: When is a fever considered a medical emergency in babies and children?**  
A: Immediate emergency attention is required if an infant under 3 months has a temperature of 38.0°C or higher, if a child aged 3 to 6 months reaches 39.0°C, or if the fever is accompanied by difficulty breathing, rash, stiff neck, or febrile seizures.

**Q: Which medication is safe for reducing fever (*ubat demam*) at home?**  
A: Paracetamol is the first-line antipyretic for adults and children when dosed strictly according to body weight. Ibuprofen is an alternative for children over 6 months, but NSAIDs should be avoided if dengue fever is suspected due to bleeding risks.

**Q: Why should sudden high fevers be monitored closely in Malaysia?**  
A: In Malaysia's tropical climate, acute high fever accompanied by severe muscle aches, retro-orbital eye pain, nausea, or bleeding gums can indicate mosquito-borne dengue fever, which requires formal blood platelet monitoring by a medical professional.

**Q: What home remedies should be avoided during a fever?**  
A: Avoid cold baths, ice packs, and alcohol rubs, as they trigger shivering that raises internal core body temperature. Never give aspirin to children or teenagers due to the risk of Reye's syndrome.

## Sources

- [Dr.Ann Health Note: Demam (Fever) Overview](https://drann.my/blogs/health-note/demam-fever-suhu-badan)
- [Ministry of Health Malaysia (KKM) Clinical Guidelines on Fever Management](https://www.moh.gov.my/)
- [World Health Organization (WHO) Integrated Management of Childhood Illness (IMCI)](https://www.who.int/)

> Last Reviewed: 2026-11
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