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Is It Safe to Save Money on Medicine?

America loves generic drugs. Anyone who has to pay for medication is thrilled at the prospect of saving big bucks on prescription medicine. That includes insurance companies, hospitals, government agencies like Medicare and Medicaid and lots of patients who pay out of pocket.
The brand name cholesterol-lowering drug Lipitor, for example, can cost more than $200 for a month’s supply. Purchase the generic atorvastatin at some discount drugstores and you might pay just $16. There are even a few supermarket chains offering the drug for free to get customers with prescriptions in the door.
This is a great deal if the generic drug is truly “identical” to its brand name counterpart, as required by law. But do all generic drugs live up to this standard? One manufacturer, Ranbaxy, got into trouble last year because its atorvastatin pills contained particles of glass.
Readers of this column have been sharing their experiences with generic drugs for years. A woman in Humble, TX, reported: “I have been taking Lipitor for nearly four years. I have been taking generic Lipitor since it became available.
“On Lipitor my total cholesterol was 159 mg/dl and LDL 75 mg/dl. After being on atorvastatin for a year at the same dosage, my total cholesterol is 253 and LDL 163. Is it possible that the generic is not as effective?”

The changes in cholesterol numbers are particularly worrisome since the largest increase was in LDL, the fraction of cholesterol that carries the greatest risk for heart health.
Keeping careful records is one way that patients can tell whether their generic drug is doing its job. Another way is to monitor reactions. One woman wrote that her daughter had a seizure while taking the generic antidepressant, Budeprion XL 300. She was convinced that the problem was brought on by the rapid release of the active ingredient bupropion from the pill.
The FDA removed this generic formulation from the market in October, 2012, because it did not meet bioequivalence standards. This is how the agency determines if a generic drug is identical to a brand name.
The trouble with the FDA’s definition of “identical” is that it does not correspond to the way most people understand the word. In everyday terms, identical means exactly alike. The FDA’s definition is much more generous.
A generic drug can differ from the brand name in inactive ingredients (binders, fillers and colors) as well as in the formulation that releases the active ingredient into the body.
Most health professionals assume that generic drugs get into the bloodstream at the same exact rate and in the same amount as the brand. But FDA’s bioequivalence regulations aren’t that strict. Some approved generics get into the bloodstream four to five times faster during the first few hours and fade much more quickly as well.
The FDA assumes that such differences don’t matter, but patient experience suggests otherwise. Recently a person told us that switching from Wellbutrin that had worked for five years to Budeprion left her suicidal within a month. Going back to the brand name “saved her life.” We hope that in the future FDA will change its oversight of generic drugs so that we can all save money without risking our health or our lives.

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About the Author
Terry Graedon, PhD, is a medical anthropologist and co-host of The People’s Pharmacy radio show, co-author of The People’s Pharmacy syndicated newspaper columns and numerous books, and co-founder of The People’s Pharmacy website. Terry taught in the Duke University School of Nursing and was an adjunct assistant professor in the Department of Anthropology. She is a Fellow of the Society of Applied Anthropology. Terry is one of the country's leading authorities on the science behind folk remedies..
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