You are correct Allecet is an antihistamine which is very helpful for children who have a nasal allergy problem. It seems that your little grandson may well have nasal allergy as he has a runny nose and this does not appear to be due to an infection such as a cold. He also has signs that he may have a post nasal drip causing his cough. He would benefit from using the Allecet Syrup 5ml before bedtime.
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