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Ingredient Name Strength Endpoint [Change from baseline] 49% [6%] 57% [15%] 73% [29%]

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Physicians should warn patients that prolonged erections greater than 4 hours and priapism (painful erections greater than 6 hours in duration) have been reported infrequently since market approval of Viagra. In the event of an erection that persists longer than 4 hours, the patient should seek immediate medical assistance. If priapism is not treated immediately, penile tissue damage and permanent loss of potency may result [see Warnings and Precautions (5.2)]. retinitis pigmentosa (una condición heredada del ojo);

Have a deformed penis shape or Peyronie’s disease. viagra how does it work Study CThere are no controlled clinical data on the safety or efficacy of Viagra in the following groups; if prescribed, this should be done with caution. irregular heartbeat;Tadalafil por lo general se toma solamente una vez al día. Siga todas las instrucciones en la etiqueta de su prescripción. No tome esta medicina en cantidades mayores o menores, o por más tiempo de lo recomendado.