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  • Can Sildenafil Become Less Effective Over Time - fordailymedicine
    Shelf life is the length of time until a product can be stored before it becomes ineffective Suppose you’re noticing that Sildenafil is no longer producing its intended effects In that case, it’s possible that the medication has exceeded its shelf life
  • Why Viagra No Longer Works for You? - Erectile Dysfunction . . .
    It is rare for people to develop tolerance to Viagra; for the most part, the drug works for the long haul There are a number of reasons why Viagra may no longer work Most commonly it may be that it is bad luck – you may not have taken it properly or did not give it enough time to work
  • 81 year-old Healthy White Male - Mayo Clinic Connect
    I've more or less settled on taking Sildenafil (Viagra) on an empty stomach about 90 minutes before a planned encounter and then eating something about an hour after taking it I've been taking 60mg or 80mg -- have never tried 100mg
  • The Truth Behind Drug Expiration Dates: Do They Really Matter?
    How Long Do Drugs Really Last After Expiration? Research into drug stability has yielded surprising findings A key study conducted by the U S military in the 1980s and 1990s found that many medications retain much of their potency long after the expiration date has passed
  • Does Medication Effectiveness Change Over Time? - Next Avenue
    Does Medication Effectiveness Change Over Time? Many older adults who have been on medications start noticing the prescription isn’t doing what it once did or may create sudden side effects
  • Chapter 07: Medications and Older Adults Flashcards - Quizlet
    ANS: C Brain receptors have become hypersensitive Brain receptors in the older adult become hypersensitive as age increases, resulting in an exaggerated response to pharmacologic therapy
  • The drug expiry date: A necessary safety measure, or yet . . .
    Once you open a bottle, or transfer it to another container (like a prescription vial), the manufacturer’s expiry date is no longer reliable That doesn’t mean a drug will become ineffective rapidly, but the stability could be compromised once it has been introduced to light, heat, and humidity





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