Fever Explained: Why Body Temperature Dey Rise
Read in: English | Pidgin English
Published on February 18, 2026 at 12:24 AM
🩺 Medically reviewed by the Health Decoded Guide Editorial Team· Last reviewed: July 2026
🔍 Quick Breakdown:
Fever no be enemy—na message from your body!
Fever na when your body temperature rise because your system dey fight something.
Most times, na sign say your body dey work—not say something don spoil.
👉🏽 Wetin matter pass na how the person dey behave—no be only the temperature matter.
🟧 Wetin dey happen?
Fever na when body raise temperature pass normal level
Body temperature reach or pass 38°C.
• your body go feel hot
• or you fit dey shake cos say u dey feel cold (chills) and you fit dey sweat too
Na controlled response and e mean say your body dey intentionally increase heat to fight infection.
🟧 Why e dey happen?
Fever happen when your body intentionally raise its temperature to help fight infection or another illness.
• body temperature rise to 38°C or higher
• you fit feel hot
• you fit dey shiver or get chills before sweating later
👉🏽 Fever no mean say your body don spoil—it often mean say your immune system don begin fight d problem.
🟧 When fever no normal 🚨
• temperature too high
→ e pass 39°C and above
• e last many days (you get constant fever wey pass 5 days)
→ no improvement
• person no dey behave normally
→ e dey too weak, e confuse, or e dey very tired
👉🏽 No only check thermometer, try observe d whole person.
🟧 Wetin you fit do by yourself or for house
• drink water well
→ dis one go prevent dehydration
• rest
→ e support recovery
• no overdress
→ allow your body to regulate d heat
👉🏽 Fever medicine dey help improve comfort—but no be d cure o!
🟧 Real life example
One weekend, Musa and him wife, Aisha, both begin get fever.
Musa temperature reach 38.2°C. Apart from small body pain and tiredness, e still dey drink water, chop small food and rest well.
After two days, the fever disappear by itself.
Aisha own fever continue, and after one day she begin get serious sore throat. Swallowing become painful, so she go hospital.
After doctor examine am, dem discover say na bacterial throat infection, and she begin the correct treatment.
👉🏽 No every fever be the same. Wetin matter pass no be the temperature alone, but the other symptoms wey follow and how the person dey feel.
🟧🩺 When you suppose go hospital 🚨
• fever dey very high (e don dey reach 40°C)
• person get seizure or confusion start
• e dey hard to breath
👉🏽 These signs mean say body dey struggle—act fast!.
🟢 Final reassurance
Fever na normal defense system—no be something to fear immediately.
👉🏽 But if d signs no clear or symptoms dey get worse, e better to check early.
📚 Medical Reference
For full medical references, see English version of this article.
⚠️ Medical Disclaimer
This article na for education only.
E no replace advice from doctor.
If symptoms serious or no go, abeg see healthcare professional.
🔗Related Health Topics
• Headache
• Sore throat
• Typhoid Fever
• Ear Infection
• Malaria
• Weakness
👉🏽 If you still get questions or prefer full medical detail? Read English version