Good afternoon first of all i like to thank you for your time in answering my question my question is my 9yrs old son suffers from allergies in which i think has turned into a sinus infection because his nose has been stopped up and clear fluid has been running down frequently over the past couple of days also he was complaining about his stomach was hurting too about an hour ago he had vomited sort of white clear mucas what kind of medication can i use for him he suffered from this about a month ago also is children clarintin good for him to use thank you