I took my 6 week old to the doc last week for a cold, she was coughing, sneezing, and has clear/green mucus in nose. It's been a week and it seems to be getting worse. She isn't coughing anymore (maybe a few times a day hardly enough to even notice, but the green in her nose is getting alot more .I sucked out a ton this morning. She hasn't had a fever or anything I'm doing himidier, saline , and nose frida.. should I maybe take her back.. does a cold do green mucus ??