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how long can a viral fever last
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Infectious Illnesses
Question #22033
146 days ago
264

how long can a viral fever last

Arjun

I am really worried about this fever that's been going around in my family. My son, he started feeling sick about 4 days ago, having a high temperature, like around 102°F, chills, and just wants to sleep all day. We figured it was just a viral fever, but it’s like a rollercoaster of symptoms. One moment he's burning up, the next he's shivering. My husband caught it too, but not as bad; maybe it's the same virus floating around? I'm trying to keep track of how long can a viral fever last in general, because I can't take it anymore seeing them like this. I read online that most viral fevers should last around 3 to 7 days, but what if it goes longer? Should I be freaking out if they still have it after a week? They’re drinking fluids and I’m giving them fever reducers but it feels like I’m just waiting for the next shoe to drop, you know? What are some warning signs I should watch for to know if it’s turning into something more serious? Like, how long can a viral fever, realistically, hang around before it warrants a trip to the ER? Ugh, I can't take the stress of just waiting, especially with school starting soon. Any advice would help.

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Doctors' responses

A viral fever generally lasts between 3 to 7 days, but if your son is still experiencing significant symptoms after a week, it might be time to reevaluate. While most viral infections resolve on their own, sometimes symptoms can linger or worsen, indicating the need for a closer look. Your decision should be guided by specific warning signs rather than just duration. If either your son or husband develops persistent high fever (above 102°F) that’s not responding to medication, signs of dehydration (like dry lips, sunken eyes, reduced urination), difficulty breathing, chest pain, confusion, or you can’t keep them awake, these are red flags that require immediate medical attention. Keep a keen eye on any new or intensifying symptoms, such as a stiff neck, rash, or severe headache, as these could signal more serious conditions requiring prompt treatment. In your everyday management, continuing to ensure adequate fluid intake is crucial to prevent dehydration—the fevers and sweating increase their needs. While you’ve been using fever reducers like acetaminophen or ibuprofen, make sure to follow the recommended dosages to avoid side effects. Meanwhile, rest is essential, but if they experience involvement of symptoms such as a persistent cough or wheezing, it could suggest a bacterial complication, like pneumonia, which might need antibiotics. Given school is approaching, practice good hygiene measures at home, like regular handwashing and disinfecting frequently-touched surfaces, to help contain potential spreading. If symptoms persist or worsen beyond 7 days without clear improvement, setting up an appointment with your healthcare provider is prudent. They may suggest further diagnostic tests such as blood work or a chest X-ray to rule out other conditions. While viral illnesses often resolve without major intervention, some cases requiring thorough evaluation, especially considering the broader health context and potential exposure in communal settings like schools.

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