The most traditional way of taking your temperature is to place the thermometer in your armpit, in which case you can use a glass or digital thermometer. This is safe, non-invasive and stress free, but bear in mind that the correct position is vital: place the thermometer under your armpit, parallel with your chest and perpendicular to the armpit.
When you take an underarm temperature measurement, keep in mind that the result may be influenced by the environmental temperature, sweat, humidity and other parameters. Remember that there may be a difference of over 1.4 degrees between the left and right armpits, so you should always take the measurement in the same place.
Have you decided to take the measurement with an underarm thermometer? To avoid errors, first dry your armpit and then hold the thermometer bulb as high as possible. Your arm should remain close to your body for the time specified in the instructions.
This is one of the areas that's easiest to access. If you've decided to take your temperature orally, you can use a digital or glass thermometer. Before you start, don't forget that the temperature shown by the thermometer may be affected if you've recently eaten a hot or cold meal. Want to get it right? Wait at least 15 minutes after eating or drinking.
Perhaps the most uncomfortable method, because you have to be relaxed, is rectal temperature. This is still widely regarded as the gold standard. You can choose a glass or digital thermometer: this is obviously an invasive procedure.
If you want to measure the temperature in your ear, you can buy an infrared auricular thermometer, the only one that allows you to measure temperature in this way. It's the quickest method, but you have to know how to use it. Remember to read the instructions carefully. It's important to position the thermometer in exactly the right part of your ear, and ensure that no wax or infection are present.
To take your temperature from your forehead, you can use a contact or contactless infrared or liquid crystal thermometer. Place the thermometer on your forehead, or nearby if using a contactless one. A liquid crystal thermometer is easy to use but less precise, while an infrared one offers the same reliability as the digital variety.