3 months baby if it is a mild cold generally do not need to take drugs, if the cold is more serious, usually need to take cold medicine, cough medication and antipyretic drugs. 1. cold medicine: if 3 months baby runny nose, nasal congestion, cough is more serious, can be oral anti-sensory particles, pediatric antisensory particles; 2. Cough and phlegm medicines: if the baby cough, cough phlegm phenomenon, can be taken orally pediatric phlegm cough particles, lung heat cough particles; 3. antipyretic drugs: babies are prone to fever during a cold, if the body temperature exceeds 38.5 ° C, you need to take oral antipyretic drugs, such as ibuprofen suspension. 3 months when the baby cold parents do not give their babies their own arbitrary medication, to avoid the medicine is not appropriate or have adverse reactions, must be in the doctor’s guidance to use the medicine. The above drugs need to be used in accordance with medical advice.