But it usually isn't a cause for concern. For infants, however, even a low fever may mean there's a serious infection. Fevers generally go away within a few days. A number of over-the-counter …

In addition to an elevated temperature, you may experience the following symptoms: Chills, feeling cold, shivering and shaking. Body aches and headaches. Fatigue (tiredness). On and …

Apr 21, 2020 · It’s typical for body temperature to fluctuate throughout the day. You have a fever if your temperature is above 100.4°F (38°C). Depending on how high it is, you may need to call …

Nov 15, 2023 · Fever Symptoms A fever is a sign of an illness or infection. When you have one, you may notice these symptoms: Chills or shivering Sweating Body aches Headache Lethargy …

May 30, 2025 · A person has a fever when their temperature is higher than 100°F (38°C). Learn about fever types, symptoms, causes, and treatments in this article.

Fever is a common symptom of most infections such as colds, flu, and gastroenteritis (also referred to as stomach flu), and thus a risk factor for fever is exposure to infectious agents. …

Sep 3, 2025 · Older children and adults should get medical help for an oral temperature of 104 F or higher or if they have accompanying symptoms like rash, severe headache, or stiff neck. …

Jun 5, 2025 · In this blog, we’ll explore what causes these temperature spikes and how they show up—whether it’s paired with vomiting, sore throat, body aches, or chills. We’ll look at patterns …

What are the symptoms of a fever? Normal body temperature ranges from 97.5°F to 98.9°F (36.4°C to 37.2°C). It tends to be lower in the morning and higher in the evening. Most …

Feb 13, 2025 · Fever is a symptom of many illnesses, including viral infections such as flu and COVID-19, and bacterial infections such as food poisoning, ear and sinus infections, and …