Levofloxacin 500 mg price range per 1000 grams is about €7-14 per gram. See the following article for an explanation of how they are priced per 1000 grams and whether the generico levofloxacina 500 mg prices are being inflated: http://www.bbc.com/news/health-26984093 Another reason is to control the distribution. It is usually a government scheme to buy particular antibiotics from a manufacturer based on the cost and profit margin of the manufacturing business. In general these generics have price incentives. So there is no incentive for the manufacturer to keep them in stock and the manufacturers are very happy to keep them in stock and off the shelf. This makes supply very tight. But if these generics are not available then there will be a price reason for people or animal health organisations to demand immediate availability of antibiotics, as it would not be cost-effective. A