Up to date
Nexium® has been available without a prescription in the USA since March 2014.
Review
The introduction of Nexium® was partly interpreted as a protection against generics for the drugs Antra and Prilosec. Thus, Nexium® was introduced at the time Antra and Prilosec lost their patent and was similar in effect to them. Only the active ingredient was changed slightly. AstraZeneca stated that an improved effect was proven by clinical studies, but some experts vehemently contradict this statement.