These easy, non-prescription remedies can help ease soreness and scratchiness in your throat efficiently and fast. Sore Throats are usually caused by illnesses like the common cold, flu, measles, chickenpox, mononucleosis (mono), and the croup as well as allergies, breathing of dry air or outdoor pollution. Some of these illnesses are bacterial, but some are viral infections that will not respond to antibiotic treatment. Run to the doctor with a sore throat is not always necessary. Try these sore throat home remedies first.