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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.
Taking expired vitamins is generally considered safe—but there’s a catch. “Usually, expired vitamins won’t harm you, but likely will lose potency. “Usually, expired vitamins won’t harm ...
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The labeled expiration date is a manufacturer's promise for a time until which the drug will have full efficacy and be safe as manufactured. [4] The labeled expiration date is not an indication of when a drug has become ineffective or unsafe to use. [4] Many drugs are effective for years after their expiration dates. [4]
Aciclovir risks causing resistance to antiviral agents, and in 1% to 10% of cases can cause unpleasant side effects. [19] Aciclovir taken by mouth does not appear to decrease the risk of pain after shingles. [20] In those with herpes of the eye, aciclovir may be more effective and safer than idoxuridine. [21]
The expiration date of pharmaceuticals specifies the date the manufacturer guarantees the full potency and safety of a drug. 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. [7]
It is a prodrug, which works after being converted to aciclovir in a person's body. [2] Valaciclovir was patented in 1987 and came into medical use in 1995. [3] [4] It is on the World Health Organization's List of Essential Medicines. [5] It is available as a generic medication. [6]
We waste a lot of food out of fear: experts estimate that $165 billion worth gets tossed each year. But most expiration dates are largely made-up. According to The National Resource Defense ...