What is considered a fever in adults?

A fever is 100.4 F and above for adults. Instead of rushing to do expensive diagnostic tests on day one, I usually wait a couple of days while managing it with basic paracetamol and plenty of fluids. If the fever stays high after 3 days, then it makes sense to consult a doctor and invest in blood tests.

They say 100.4 F is a fever, but at my age, even 99 F makes me want to sign my will and stay in bed all day! Jokes aside, if it crosses 100.4, it's time to take it easy. Grab a blanket, keep taking your fluids, and don't hesitate to visit the doctor if you feel very weak.

I completely understand how stressful it is when you feel your temperature rising and start worrying. Typically, 100.4 F (38 C) is considered a fever in adults. Try not to panic; take a deep breath, monitor it with a digital thermometer, and contact a doctor if you feel very unwell.

Medically, 100.4 F is the baseline for an adult fever. If my body temperature rises to that, I skip my workouts completely to let my immune system recover. Focus on simple hydration, clean meals like clear soups, and rest up instead of pushing through it.