What is the most accurate way to take your temperature?
Rectal temps
Rectal temps are the most accurate. Forehead temps are the next most accurate. Oral and ear temps are also accurate if done properly. Temps done in the armpit are the least accurate.
What is the most accurate way to take a temperature in adults?
How should I take an adult’s temperature? Take an adult’s temperature by mouth, in the ear or under the armpit. The armpit method is less accurate and is normally only used if the person is extremely drowsy or not clear mentally.