My 4m old son has had a cough for two weeks now. He has no nasal congestion but it seems to be in his throat not his chest. I’ve taken him to the doctor multiple times and all the test come out negative. The doctor prescribed an antihistamine but I’m starting to think it might be acid reflux because the cough is the worst right after he eats and at night. Has anyone experienced this? He does have a tongue but it has never effected anything before but maybe it’s starting to? Really need to resolve this because it’s effecting his sleep:(