The drug is widely considered safe and effective. Long term toxicology studies in animals haven’t found any adverse long term health effects of taking sildenafil.
What happens if you take sildenafil more than once a day?
A healthcare provider can recommend taking Viagra daily, but you should never take it more than once in any 24-hour period. Taking it too often can result in a dangerous drop in blood pressure or other serious side effects.
Does sildenafil lose effectiveness?
Viagra can lose its efficacy over time, due to changes in your body or changes in your health. If that happens, Spar said, you can try switching to another medication in the same class (meaning, another PDE5 inhibitor).
Does sildenafil lose effectiveness 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.
How often can you take sildenafil?
Sildenafil usually should not be taken more than once every 24 hours. If you have certain health conditions or are taking certain medications, your doctor may tell you to take sildenafil less often. You can take sildenafil with or without food.
How long is sildenafil in your system?
Sildenafil has a 4-hour ‘half-life’, meaning half of the drug has left the bloodstream after 4 hours. Some men may still be able to achieve a satisfactory erection after 10 hours, although the duration will become shorter. After 24 hours all traces of the drug in the bloodstream has practically gone.
What is permanent impotence?
Erectile dysfunction (ED), also known as impotence, happens when you can’t get or keep an erection of the penis that’s adequate for the sexual satisfaction of both partners.
What foods should I avoid when taking Viagra?
Avoid fatty meals on days when you plan on taking Viagra®. This can cause Viagra® to take effect more slowly. Try eating light meals throughout the day before taking Viagra®, and avoid heavy meals with red meat, fried food and other high-fat components.