Some top-selling drugs that have recently lost or soon will lose patent protection and face generic competition, along with their purpose. The dates are estimates and can change.
Protonix, severe heartburn
Risperdal, schizophrenia/bipolar disorder
Prevacid, severe heartburn
Topamax, migraine prevention/epilepsy
Cozaar/Hyzaar, high blood pressure
Flomax, overactive bladder
Aricept, Alzheimer's disease
Effexor XR, antidepressant
Levaquin, bacterial infections
Plavix, blood thinner
Seroquel, schizophrenia/bipolar disorder
Source: Medco Health Solutions July 2008 report
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