Here are some non prescription remedies for colds and flu. Having CHF, I shutter at catching the flu. My wife brought it back from DC, she had taken the flu shot two weeks proir],she went to the doctor and reacted to the antibiotic, so here's what we used. Chelated Zinc 100mg Olive leaf extract Grape seed nasal spray 1% [Nutribiotic] Oil of Oregano Clear Lungs [chinese herbs] Astalagus [Immune] Old Indian Wild Cherry Bark syrup [cough] Garlic and onion soup Gypsy Cold Care tea [Traditional Medicinals] Echinachea tea. She had it four days, I tried to get it but it only lasted 24 hrs.