Sildenafil citrate tablet for impotence male

Viagra is a phosphodiesterase inhibitor. It has been estimated that impotence affects 140 million men worldwide. Viagra is an oral drug for male impotence, also known as erectile dysfunction. The important feature is the fact that erection happens only during sexual stimulation. It means that Viagra effect is taking place only during natural sexual stimulation and after sexual act is finished penis naturally returns in enfeeblement state.

Suggested dose of 50mg is taken one hour before upcoming sexual activity. Taking into account the effeteness and portability the dose could be increased up to 100 mg or decreased to 25 mg and 50 mg. Maximum recommended frequency of use is one time per day. Average price is USD 1.8 per pill. The remainder are believed to have psychogenic causes of impotence.


Warnings/Precautions

Do not take Viagra if you are taking any nitrate-based drug, including nitroglycerin patches (Nitro-Dur, Transderm-Nitro), nitroglycerin ointment (Nitro-Bid, Nitrol), nitroglycerin pills (Nitro-Bid, Nitrostat), and isosorbide pills (Dilatrate-SR, Isordil, Sorbitrate). Combining Viagra with these drugs can cause a severe drop in blood pressure.