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One exception occurred during the 2010 Swine Flu Epidemic when the FDA authorized expired Tamiflu based on SLEP Data. [9]The US FDA is able to extend the shelf life of drugs throughout national, state, local, tribal, and territorial stockpiles through two legal means: by issuing an Emergency Use Authorization on using a drug past its expiration date (which is legally an unapproved use of a ...
Drug expiration. Drug expiration is the date after which a drug might not be suitable for use as manufactured. Consumers can determine the shelf life for a drug by checking its pharmaceutical packaging for an expiration date. Drugs which are past their shelf life can decompose [1] and either be ineffective [2] or even harmful. [2]
But research conducted by the FDA demonstrates that 90 percent of more than 100 drugs—both prescription and over-the-counter—are perfectly good to use even 15 years after the expiration date ...
The expiration date, required in several countries, specifies the date up to which the manufacturer guarantees the full potency and safety of a drug. In the United States, expiration dates are determined by regulations established by the FDA. [19] The FDA advises consumers not to use products after their expiration dates. [20]
Chlordiazepoxide. Chlordiazepoxide, trade name Librium among others, is a sedative and hypnotic medication of the benzodiazepine class; it is used to treat anxiety, insomnia and symptoms of withdrawal from alcohol, benzodiazepines, and other drugs. Chlordiazepoxide has a medium to long half-life but its active metabolite has a very long half-life.
Most medications continue to be effective and safe for a time after the expiration date. A rare exception is a case of renal tubular acidosis purportedly caused by expired tetracycline. [9] A study conducted by the U.S. Food and Drug Administration covered over 100 drugs, prescription and over-the-counter.
In 2006, Forest Laboratories was granted an 828-day (2 years and 3 months) extension on its US patent for escitalopram. [82] This pushed the patent expiration date from 7 December 2009, to 14 September 2011. Together with the 6-month pediatric exclusivity, the final expiration date was 14 March 2012.
Memantine, sold under the brand name Axura among others, is a medication used to slow the progression of moderate-to-severe Alzheimer's disease. [ 10 ][ 11 ][ 8 ] It is taken by mouth. [ 10 ][ 8 ] Common side effects include headache, constipation, sleepiness, and dizziness. [ 10 ][ 11 ] Severe side effects may include blood clots, psychosis ...