I agree with you that the medicines may be causing him to vomit like this especially if he has reflux. The antibiotic is the number one suspect here as the clavulanic acid found in Augmentin often causes babies to vomit.Your baby almost certainly has a viral illness and does not need an antibiotic so stop giving it to him. The Brochoped can certainly cause vomiting,so stop using it. You can stop the Demazin as well as the chlorphenamine in it will cause overstimulation.Simply use infant saline nose drops regularly until he starts to clear up and give him Reuteri infant drops to counter the effects of the antibiotic he has taken.
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