Kavita Rao Kavita Rao Asked 9 months ago

What can cause a high fever?

My daughter suddenly developed a very high fever last night, and we're trying to understand what could be causing it. What are some common reasons for a high fever in children or adults?

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10 answers

Anjali Sharma Anjali Sharma Joined Jan 2026 9 months ago
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While thyroid itself usually doesn't cause sudden high fever, any severe infection can. For me, knowing my body's baseline through regular tests helps me understand when something is truly off. So if you have a high fever, get a doctor's check-up and tests to find the root cause, don't just treat the symptom.

Sita Devi Sita Devi Joined Mar 2026 7 months ago

Oh, high fever, it's very scary. In our times, it was mostly malaria or dengue that would cause very high fevers. But even now, any bad infection, like flu or a urinary infection, can make your body temperature shoot up. Just make sure to get rest and keep hydrated, and always consult a doctor if it's too high or persistent.

Vikram Malhotra Vikram Malhotra Joined Jan 2026 9 months ago

High fever? It's your body's alarm. Most common causes are viral infections like the flu, dengue, or even bacterial infections like pneumonia, UTIs, or tonsillitis. If it's over 102°F or lasts more than a day or two, see a doctor immediately. Don't mess around.

Lakshmi Nambiar Lakshmi Nambiar Joined Feb 2026 8 months ago

Any serious infection, be it viral or bacterial, can cause a high fever. My mother always used to say to keep cool and drink plenty of warm water. But for a really high fever, it is always best to go to the doctor. They can do tests to find out if it is dengue, malaria, or something else and give proper medicine.

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Consult a internal medicine specialist

Ramesh Gupta Ramesh Gupta Joined Feb 2026 8 months ago

Beta, a high fever is usually a sign that your body is fighting something strong. It could be a bad viral infection like flu, or even dengue or typhoid in our areas. For temporary relief, a cold compress on the forehead and light food helps. But if it doesn't come down, definitely go to the doctor, don't delay.

Sanjay Rao Sanjay Rao Joined Feb 2026 8 months ago

I once had a very high fever that I thought was just flu, but it turned out to be a severe bacterial infection that almost caused complications. So, please, if you have a persistent or very high fever, especially with chills or severe body pain, see a doctor immediately. Don't self-medicate for too long; it could be serious.

Anil Gupta Anil Gupta Joined Mar 2026 7 months ago

For kids, high fever is so common and terrifying. It can be caused by anything from a bad flu, throat infection, or even roseola in younger ones. We always keep a paracetamol syrup handy, but if it crosses 102F or doesn't come down, we immediately take our child to the pediatrician. It's better to be safe.

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Pooja Sharma Pooja Sharma Joined May 2026 5 months ago

My physician once explained that a high fever indicates a strong immune response, usually to a significant infection. This could be a severe viral infection (like influenza, dengue, or chikungunya), bacterial infections (like strep throat, pneumonia, or UTIs), or even some inflammatory conditions. If it's very high or persistent, always seek medical attention for diagnosis and proper treatment.

Priya Sharma Priya Sharma Joined May 2026 5 months ago

I totally get how scary a high fever can be. It often points to a significant infection – could be viral like severe flu or dengue, or bacterial like a bad throat infection or UTI. Sometimes, even inflammatory conditions. The body's immune system is working hard! Rest and medical attention are key.

Neha Singh Neha Singh Joined May 2026 5 months ago

While regular exercise boosts immunity, even fit people can get hit by strong viruses or bacterial infections that cause high fever. Dehydration can make fever worse too, so keep fluids up. If it's high, no gym, just rest and consult a doctor. Don't push your body when it's fighting hard.

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