Does Sildenafil Work Less Effective Over Time?
Here's the short answer: Viagra expires. As with all medications, the ingredients in Viagra break down over time. This means that the drug's effects will become much less potent every day after it expires.
Does sildenafil lose strength over time?
Like most medications, Viagra can become less effective over time and expire if it's left unused for too long. Take note of the expiration date printed on your Viagra or generic sildenafil and aim to use the medication as prescribed before it expires. If your Viagra has expired, do not use it.
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Does your body build a tolerance to sildenafil?
Tolerance to sildenafil has been reported,[6] but so has efficacy for up to 4 years without requirement for dose increase. [7] It is possible that tolerance, if any, is due to progression in the organic pathology responsible for the ED.
Prolonged, longstanding, ultra-high-dose abuse of sildenafil
What happens when sildenafil stops working?
If Viagra isn't working for you, you might need a higher dose. But don't experiment on your own: Always speak with a healthcare provider about dosage changes and never take more than one dose of Viagra in any 24 hour period.
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Why does sildenafil not work sometimes?
You're not taking Viagra correctly The best time to take Viagra is one hour before sexual activity. If you take it sooner, the amount of sildenafil circulating in your bloodstream may not be enough to make an impact. On the other hand, taking Viagra more than two hours before sex may reduce its effectiveness.
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