Ask the Experts


You can buy Viagra online without a prescription or with a prescription at your local Walmart, CVS or Walgreens.
The recommended dosage of Viagra for men is 100mg. You can increase the dosage up to 200mg if this dosage is not sufficient for you.
This depends on which country you are buying your Viagra from. There's a big market for counterfeit pills so do your due diligence to verify that what you're taking is real.
Sildenafil citrate is the generic form of Viagra so it contains the same active ingredients as the brand name version.
Viagra is more expensive than generics due to their brand and being the first to market back in 1998.
Yes, you can buy it at CVS but only with a prescription from your doctor.
No, you cannot buy it over the counter at Walmart. You will need a prescription.
Yes it has the same active ingredient, however the dosage of 20mg is lower than the normal dosage of 100mg.
On average it takes 30-60 minutes to kick in. It can take up to 2-4 hours.
On average it takes Sildenafil 30-60 minutes to kick in. It can take up to 2-4 hours.
No, you can still lose your erection after orgasm.
On average, Viagra usually lasts between two and three hours. Viagra can last up to five hours depending on your dosage, your body's metabolism and other factors.
Yes, you can purchase it online with a prescription however it is a requirement to do so in many countries.
No, it is not recommended to take the two together.