Sanjay Gupta Sanjay Gupta Asked 6 months ago

What temperature classifies a fever?

My son woke up feeling feverish and his body feels really warm. The thermometer shows 100°F. I always get confused, what temperature actually classifies as a fever?

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5 answers

Ajay Sharma Ajay Sharma Joined Feb 2026 6 months ago
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Generally, 100.4°F (38°C) or higher is what classifies as a fever for adults. I've had many fevers, and that's the benchmark my doctors always gave. Hydrate well, take rest, and if it's too high or persistent, don't delay seeing a doctor.

Neha Gupta Neha Gupta Joined Apr 2026 6 months ago

A body temperature of 100.4°F (38°C) or higher is typically classified as a fever. While this is a general guideline, it's important to consider individual symptoms and consult a healthcare professional for accurate diagnosis and personalized advice. Self-medication without understanding the cause can be risky.

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Consult a internal medicine specialist

Rohit Kadam Rohit Kadam Joined Apr 2026 6 months ago

My smart thermometer integrates with my health app, and it flags 100.4°F (38°C) and above as a fever. It's a reliable indicator. Always good to monitor other vitals and symptoms too, for a holistic view of your health status.

Anjali Singh Anjali Singh Joined Jun 2026 4 months ago

From my experience, 100.4°F (38°C) is the cutoff for a fever. I once ignored a persistent fever at this level, and it led to some complications. Please, if you're feeling unwell and your temperature is consistently high, seek medical attention. Don't take chances.

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