Analysis of illness: Hello, chlorpheniramine is an antiallergic drug, which can relieve sneezing, stuffy nose, runny nose, eczema and other symptoms and has a slight calming effect. Although most children are tolerant to chlorphenamine maleate, some children are particularly sensitive to it, and after taking it, they will have uncomfortable reactions such as drowsiness, thirst, drowsiness, fatigue, palpitation and sore throat. Chlorphenamine maleate has obvious central nervous system inhibitory effect. It is normal for the baby to be sleepy, so don't worry too much.
Suggestion: chlorpheniramine has little toxic and side effects, is not a hormone drug, and is relatively safe. According to the baby's weight, it can be taken under the guidance of a doctor.