Is it bad 5 month old with 100.6 temp?

A temperature of 100.6°F in a 5-month-old can be concerning, as infants are more susceptible to infections. While a mild fever can be common and may not always indicate a serious issue, it's important to monitor for other symptoms and consult a pediatrician, especially if the fever persists or if the baby shows signs of distress or illness. Always err on the side of caution when it comes to the health of young infants.