Viagra is the brand name of the chemical sildenafil citrate. Sildenafil Citrate is the compound found in Viagra as well and is essentially the same as Tadalafil, and Verdenafil the compounds known under their brand-names as Levitra and Cialis. These compounds work essentially the same and have only minor differences in their chemical makeup. As such, they also have similar effects.



The side effects as a whole are limited in occurrence and severity. In fact, in clinical studies throughout the mid to late-90s only about 2.5 percent of patients experienced any side effects at all. Those they did experience were usually mild to moderate and transient. This 2.5 percent side effect rate is common and seemingly less concerning when compared to the 2.3 percent side effect rate experienced by the control group taking a placebo.

Side effects from Sildenafil Citrate, Tadalafil, and Verdenafil included headache, diarrhea, dizziness, flushing, nasal congestion, and others. None of the patients involved in the studies experienced serious side effects and most occurred seldom. Even so, the manufacturers of Viagra and Levitra warn that it should not be taken in conjunction with certain medications, namely nitrates prescribed for coronary related conditions.

Thus, a licensed physician who is knowledgeable about your entire medical history should assist you in making the decision to pursue a drug treatment of any type for Erectile Dysfunction. Their experience can help you determine whether Viagra (sildenafil citrate) is right for you. Furthermore, it is extremely important you contact your doctor immediately if you experience any pain or discomfort during sex, as it may be a sign of other medical conditions or more serious side effects.

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