Most of Doctor here is better than China. You can try to search this website to give your idea. I hope it is helpful. Has your kids taken other medicine recently? Dry cough can be kind of side effect.: x8 i4 E) [, Q7 k$ u" a {# |0 R
9 S7 I& ^3 b% g1 z- O+ c http://www.drgreene.org