Why does Viagra work and tell me precise how an erection is going to happen in my life?
Well, Viagra makes your nervous system direct a flow of blood to your penis, as a result, this blood stays there and afterwards when the blood sustains their erection is going to be great and you will not have to be over-conscious over the fact that you can not please women at all.
Canadian pharmacy Viagra is a great drug and it will aid you in getting a boner but you do not have to mix it with beer, vodka or wine, even a small shot can bring you awful side-effects. It will be better for you not to eat with Viagra; it does not go for small salads and fruits.

Can I take two pills of Viagra one time when I want to have sex and get an erection that will stay for about 3 hours in a row?
Actually, it is better to take only one pill of Viagra in 36 hours because there is a chance that you will not manage to get an erection or your erection will stay for too long. As we can assume you do not want to have any kind of heart conditions at all, therefore you have to be extremely careful with taking this med for getting an arousal in bed. Try to stay away from other drugs and make sure that you do not combine any kind of pain relievers and ulcer meds with Viagra because this way you can experience light-headedness and nausea. Be extremely careful and never eat a very fat food with Viagra. When you are flowing all the instructions that are mentioned within the pill or you are careful will following all the advice that your doctor told you then you will be healthy and safe for sure from various side-effects.

What if I have drink alcohol already but I am going to take Viagra in a couple of hours do you think I am going to experience any kind of side-effects at all?
Actually, when you have drunk alcohol already you can not take Viagra, it will be better to take these pills the other day when you are sober. When you are taking Viagra with various kind of other drugs, especially when you are drinking and smoking do not be afraid when you will see that erection stays for too long or on the contrary, is not happening at all. Never experiment on your own and make sure that all the drugs that you take were prescribed to you by your doctor previously.

I had a stomach flu couple of days before; can I still take Viagra and be sure that erection is going to happen?
It is better to wait for a while and therefore you will be able to take Viagra. In the case of stomach flu happened then you still can get it unless all the symptoms are already gone. But to be totally sure it is better for you to go and tell your doctor what did you experience and how long have the pain lasted. Remember that erection is usually happening every time when your blood flows to your penis and therefore when your body is exhausted from stomach flu then your blood circulation will not go in a normal manner and you will see that erection is not happening at all. Be sure to get a monthly check-up every time when you are taking Viagra in order to make sure that this drug is not harming you at all.

I do not know whether or not I can take Viagra 20 mg or 50 mg, can you tell me precisely when the amount of Viagra is more suitable for me?
To be honest only a doctor who knows your health conditions and is aware of your heart and medical history will be able to say whether or not this particular amount of Viagra will harm you or not. Be extremely careful and never let this amount of drug ruin your life and get you head-pains at all.