We have all been there. The inevitable cough, congestion, fatigue, aches, chills and fever that hits when you can least afford to be sick. We are miserable and want to feel better, so we call the doctor for the appointment or to get the antibiotic to make it better. The big question: Is the antibiotic necessary? Most respiratory infections, including bronchitis, laryngitis (hoarse/lower throat), otitis (ear), pharyngitis(upper throat), and sinusitis are caused by viruses.The