Baby cold and low fever is usually caused by pathogens, usually 3~5 days can be cured, but according to the individual physique and other differences, some people will be cured within 2 weeks or even delayed, the difference is large. Baby cold and low fever is usually due to bacterial or viral infections, if the baby usually good health, the immune system is relatively strong, then the baby appeared after the low fever, it may take about 3 ~ 5 days can be self-healing. But if the baby is usually poor health, the body’s ability to resist the attack of pathogens may be relatively weak, then do not take treatment measures, if the baby’s self-healing time may be longer, it takes 2 weeks to heal or even delayed, this situation is recommended to timely drug intervention. Parents once found that the baby has a low fever, if the baby can not be healed in the short term, remember not to take it lightly, it is recommended to seek medical attention as soon as possible, improve the relevant examination, to take targeted treatment, to help the baby to recover.