Why Is Viagra Not Working for Me? Viagra is an effective treatment for ED for many men, but it’s not a guarantee. Here’s why you may find Viagra is not working for you. You’re Not Using Viagra ...

If you’re considering Viagra, you might be wondering how long it takes to work and what you can expect. Viagra works by increasing blood flow to the penis, helping men achieve and maintain an erection ...

Cialis lasts up to 36 hours, making it a long-acting option. Viagra works faster, with effects in 30 minutes, but lasts only about four hours. Cialis is also approved for treating an enlarged prostate ...

You've been prescribed Viagra, or the generic version sildenafil, and finally your erectile dysfunction (ED) problems are over. But then…it doesn't work. Ugh. It's ...

Although Viagra is effective for most guys with ED, it's important to make sure you're taking the right dose. Too low of a Viagra dosage and your arousals may not be as firm or reliable as they could ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...