Antibiotics. These destroy bacteria, but they're no help against cold viruses. Avoid asking your doctor for antibiotics for a cold or using old antibiotics you have on hand. You won't get well any faster, and inappropriate use of antibiotics contributes to the serious and growing problem of antibiotic-resistant bacteria

• Over-the-counter cold and cough medications in young children. OTC cold and cough medications may cause serious and even life-threatening side effects in children. The FDA warns against their use in children younger than age 2. The Consumer Healthcare Products Association (CHPA) has voluntarily modified consumer product labels on over-the-counter (OTC) cough and cold medicines to state "do not use" in children under 4 years of age, and many companies have stopped manufacturing these products for young children. The FDA is evaluating the safety of these medications in older children.