Cefdinir 300mg is an antibiotic medication used to treat various bacterial infections in adults and children, including pneumonia, bronchitis, sinusitis, strep throat, and skin infections. It belongs to the class of antibiotics known as cephalosporins and works by stopping the growth and spread of bacteria. One brand name for cefdinir is Omnicef. It comes in the form of 300mg capsules, which...