Oct 07, · How to Take Your Temperature – Fever in Adults. Adults should take their temperature under the tongue. Taking a temperature under the armpit is not very accurate. Mercury Thermometer. Wash your hands with soap and warm water. Wash the thermometer in cold water. Make sure the top of the mercury is down near the bulb. Adults; Age Temperature What to do; 18 years and up: Up to F ( C) taken orally: Rest and drink plenty of fluids. Medication isn't needed. Call the doctor if the fever is accompanied by a severe headache, stiff neck, shortness of breath, or other unusual signs or symptoms. 18 years and up: Above F ( C) taken orally.
Apr 01, · Fever symptoms. People with a fever may also: sweat; shiver (chills) have a headache; have achy muscles; not want to eat; break out in a rash; be restless; feel weak. A very high fever can cause confusion, extreme sleepiness, irritability, and seizures. Diagnosing the cause of a fever. To help determine why you have a fever, your doctor will ask you about. What can I do to be more comfortable while I have a fever? Drink more liquids as directed. A fever makes you sweat. This can increase your risk for dehydration. Liquids can help prevent dehydration. Drink at least 6 to 8 eight-ounce cups of clear liquids each day. Drink water, juice, or broth. Do not drink sports drinks. They may contain caffeine.