If you don't have a thermometer, you can still gauge if you have a fever by looking for fever-associated symptoms like chills and body aches.

A fever is when your body temperature is higher than normal. Here's what you need to know about fevers in children and adults, and when to worry.

Medicine in Fever: Should one take medicine as soon as the fever rises? Know the opinion of doctors, when is it right to take medicine for mild and high fever, and when just rest can be beneficial.