I take 25mg on an empty stomach with a tall glass of water at 8:00AM. It takes effect in 15 minutes on the average and out love-making session goes for over an hour every time. - Age 65, Florida

I decided to try a 25mg Viagra pill. I could feel my penis get erect within 15 minutes, getting harder than usual and lasting longer too - YT, Age 45, Nigeria

A full 100 mg. will give you a Ginsu carving knife that, if put to ultimate use, will render her suitable for burial in a Y-shaped coffin.  For most of us, 50 mg. is plenty, ensuring that you can return to a deflated state between orgasms, if so desired...But you may have to picture your grandmother naked, to do so.

The effects last 3 or 4 hours, and it takes 30 to 45 minutes to kick in. 25 or 50 mg tabs work the same for me, no difference. Go for it... - Art, Age 62, Texas

 I bought a pill cutter at the grocery store and cut a 50 mg pill in half. It worked faster than a 1/2 hour and I had the first complete sexual experience in over 6 YEARS! William, Age 42, Texas

25mg is best for me and I have found that Viagra makes me a super stud and the girl rides me and always has an orgasm or two.  - Pablo, 42, Texas

I find that 25 mg two hours prior to sex is best for me, and allows sensitivity, to remain at its peak. When trying 50 or 100,mg,  it took away much of the feeling, and you need stimulation to maintain erection. More is definitely not better, in my case. - Phil, Age 60, California

25mg begins to work in about 15 minutes to a half an hour and lasts for 3 hours or so, Able to have an erection and intercourse more than once in a few hours. - Age 65, New York City

My doctor prescribed 50 mg Viagra. Wow. Instant hard on that lasts for a long time.  I take 50 mg about three times a week.

I have tried 100mg from time to time but actually seem to do better with the smaller doses. -  JR, Age 65

You have to experiment with the dosage and time lag. I started with 50 mg (good to rev my engine, I think) but ultimately found that 25 mg about 90 minutes before sex is ideal for me. Lower dosage means less nasal congestion and more feeling during sex. But 25 mg still leaves me rock hard and able to hold off climaxing just about as long as I want.

I have experimented with dosage and now find that 25 mg about one half hour before sex is perfect for me. I'm rock hard and can go forever.

I have the pharmacist split a 100 mg pill in four for me so I take 25 mg at a time. When I want to go all night I take the full 100 mg.

I cut a 50 mg in half and find that to be enough.

We came at the same time, and boy did I cum.  What force!  What makes this whole experience ever better is that I only used half of a 50 mg pill. 

I started off with 25 mg, and have reduced it down to 12.5 mg (roughly - I split the 100 mg pill to 8) and find that with this reduced dose, I can still have a rock hard erection as well as a greatly reduced headache.

I have since realized I only need 25mg to keep and maintain an erection. But originally, that night, I took 50mg. - Bill, Chicago, Age 42

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