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The definition of fever varies by measurement method: a temperature above 37.5°C when measured under the armpit, or above 37.8°C when measured in the ear or rectally, is considered fever. Fever criteria and management require special attention in infancy and childhood. Especially for infants in their first three months, axillary (armpit) and rectal methods are more reliable for temperature measurement.
If an axillary temperature above 37.5°C is detected, the baby's excess clothing should first be removed, and the surrounding environment should be cooled. Dressing babies in multiple layers of thick clothing due to concern they might get cold is a common but incorrect practice that can increase body temperature. After taking these steps, the temperature should be re-measured after 15 minutes. If the temperature is still above 37.5°C, a healthcare professional must be consulted immediately.
How should fever be measured in periodic fever syndrome?
If an axillary temperature above 37.5°C is detected, the baby's excess clothing should first be removed, and the surrounding environment should be cooled. Dressing babies in multiple layers of thick clothing due to concern they might get cold is a common but incorrect practice that can increase body temperature. After taking these steps, the temperature should be re-measured after 15 minutes. If the temperature is still above 37.5°C, a healthcare professional must be consulted immediately.