Sildenafil is in a class of medications called phosphodiesterase PDE inhibitors. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help. Take sildenafil exactly as directed. This site is intended only for U. Follow the manufacturer’s directions to use and clean the oral syringe. Brand names Why is this medication prescribed?AdHeute bestellen, morgen erhalten: Online-Rezept und gratis Lieferung innert 24 Stunden. Unser Online-Ärzteteam verspricht professionelle Beratung und gratis Express-Lieferung. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the . Brand Form Dosage Quantity Manufacturer’s Savings Card Sponsored You may be eligible to save up to 50% on your brand-name prescription * * Terms and Conditions Apply Get .