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Fever

General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.

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Fever is a body temperature above about 38°C, typically a response to viral or bacterial infections. Common symptoms include feeling hot, shivering or chills, sweating, headache, body aches, tiredness, and poor appetite. Fever is often caused by viral infections like the flu, dengue, typhoid, urinary or chest infections, and in some areas, malaria. Home care includes rest, drinking fluids, and dressing lightly. When fever lasts more than 2-3 days, is very high, or comes with red-flag signs, seek urgent care. Fever can also be caused by chickenpox, flu, HIV, and measles. CDC recommends the MMR vaccine to prevent measles.

Sources: World Health Organization · Nepal MoHP — Epidemiology and Disease Control Division · World Health Organization · MedlinePlus (NLM) · MedlinePlus (NLM) · MedlinePlus (NLM) · MedlinePlus (NLM)

What it is

Fever is a body temperature above about 38 °C. It is a symptom, not a disease — most often the body's response to a viral or bacterial infection.

Sources: World Health Organization

Symptoms

Feeling hot, shivering or chills, sweating, headache, body aches, tiredness and poor appetite.

Sources: World Health Organization

Causes & spread

Common causes in Nepal include viral flu, dengue, typhoid, urinary or chest infections and, in some areas, malaria.

Sources: Nepal MoHP — Epidemiology and Disease Control Division

Home care

Rest, drink plenty of fluids and dress lightly. A tepid sponge can help comfort. Watch the person and recheck the temperature.

Sources: World Health Organization

When to see a doctor

See a health worker if fever lasts more than 2–3 days, is very high, or comes with the red-flag signs below — and sooner for infants, older people and pregnant women.

Sources: World Health Organization

Prevention

Hand-washing, safe food and water, vaccination and mosquito-bite prevention reduce the infections that cause fever.

Sources: World Health Organization

Nepal notes

During and after the monsoon, fever with body aches is often dengue; fever with abdominal pain and poor appetite can be typhoid. A blood test helps tell them apart.

Sources: Nepal MoHP — Epidemiology and Disease Control Division

⚠️ Red-flag signs — seek urgent care

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