With vanity and the concern for appearances becoming more and more prominent among people today, it is no surprise that there are people who are willing to spend small fortunes on weight loss products and procedures. Some of these people are more interested in physical fitness and overall excellent health than they are in just looking excellent, but both groups have reason to worry about when they buy prescription weight loss medication. The Food and Drug Administration, along with a number of concerned groups, have found that there are a number of possible drawbacks to prolonged, continuous use of weight loss drugs. Even if a person chooses to buy prescription weight loss medication, rather than the cheaper generic counterparts, these drawbacks are still possibilities.