How to Determine if Your Baby Has a Fever Without a Thermometer
Generally speaking, fever refers to an elevated body temperature, and a thermometer is a device used to measure body temperature. When a thermometer is not available, one can make a preliminary judgment on whether an infant has a fever by observing their mental status, touching the forehead and body, checking the skin condition, observing breathing patterns, and monitoring appetite. If the discomfort persists for a prolonged period, it is recommended to seek medical attention promptly. The detailed analysis is as follows:

1. Observe Mental Status
If an infant has a fever, they may display symptoms such as listlessness, persistent crying, and fatigue. They may become excessively sleepy, but their sleep quality may be poor, and they may wake up easily. In cases of high fever, febrile seizures may occur.
2. Touch the Forehead and Body
When an infant has a fever, their skin temperature may be elevated, feeling hot to the touch. Therefore, in the absence of a thermometer, one can gently touch the infant's forehead, neck, back, and palms and soles of the feet with their hands. If these areas feel hotter than usual, a fever should be suspected.
3. Check Skin Condition
An infant with a fever may have flushed skin, which feels drier than normal. Fever causes the body to lose excess water, and if fluids are not replenished promptly, excessive water loss can lead to the aforementioned symptoms.
4. Observe Breathing Patterns
A fever may affect the respiratory tract, causing symptoms such as rapid breathing, difficulty breathing, coughing, or phlegm production. If an infant's breathing rate is noticeably increased, fever should be considered as a possible cause.
5. Monitor Appetite
A fever may affect an infant's appetite, leading to symptoms such as poor appetite, nausea, and vomiting. If an infant suddenly shows a decreased interest in eating, a fever should be considered as a possible cause.
In addition, whether or not an infant has a fever should also be assessed by observing for other accompanying symptoms, such as headache, muscle pain, or chills. If a fever is suspected, timely medical evaluation should be conducted to determine the cause and provide targeted treatment.