Sildenafil blockiert die Phosphodiesterase-5 und steigert dadurch die intrazellulären cGMP-Konzentrationen. Die Wirkung setzt innerhalb von 30 bis 60 Minuten ein. Seine Halbwertszeit von vier Stunden macht den Wirkstoff zu einem Präparat mit kurzer Wirkdauer. Der Abbau erfolgt über CYP3A4 und CYP2C9, und die Elimination ist überwiegend biliär. Nebenwirkungen wie Kopfschmerzen und Hautrötungen sind vasodilatationsbedingt. Der Begriff viagra kaufen taucht häufig im Zusammenhang mit dem pharmakologischen Standard dieser Substanzklasse auf.

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USL Medical is a NZ-owned, private company which provides medical consumables, equipment and related services to the NZ healthcare industry. Our customers include District Health Boards, Aged Care facilities, General Practitioners, Specialists and many other primary care providers. USL Medical has been servicing the NZ healthcare industry since 1984 and our success has been built on providing quality products supported by people who pride themselves on delivering world-class service.