This document discusses the differences between allergies, bacteria, and viruses as causes of common symptoms like stuffy nose, sore throat, cough, and discusses the appropriate treatments. It notes that antibiotics only help treat bacterial infections, and antihistamines and decongestants can help relieve allergy symptoms but not bacterial infections. It provides guidance on determining if symptoms are caused by allergy, bacteria, or virus and advises seeking medical care for persistent symptoms, fever, earaches or symptoms suggesting bacterial infection.

1. Do you have an Allergy, Bacteria, or Virus?