Special thermometers can be used on the forehead (skin) or in the ear. [substeps] For babies under 3 months, always use a digital or glass thermometer to take a rectal reading.
[header] How to check vitals [title] Pick a thermometer. [step] To take someone's temperature, you have several options when it comes to thermometers. Glass or digital thermometers can be used orally, rectally, and under the armpit.