For the year of 2010*, total prescription drug sales in the United States amounted to 307 billion dollars. The top 20 prescription drugs by sales came to 78.3 billion dollars in 2010. Apple, with a market cap of 621 billion dollars, is worth more than two years of medications. With revenue north of 100 billion a year, Apple generates more sales than the top 20 drugs on the market.
*- growth runs around 2-3% annually, using best available numbers