New Zealand Sildenafil was reclassified in New Zealand in so it could be bought over the counter from a pharmacist. You can take it in a small dose daily or in a larger dose as needed. This product is available in the following dosage forms: Tablet Suspension There is a problem with information submitted for this request. 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 lungs, causing shortness of breath, dizziness, and tiredness. Brand names Why is this medication prescribed? What special precautions should I follow?Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes . AdEnjoy Greater Libido & Performance. Fast Express test1.ruries: Various · Best Sellers · Aphrodisiacs · All Products · Ubulawu Dream Herbs. It belongs to a group of drugs called phosphodiesterase-5 inhibitors. Viagra comes as tablets you take by mouth. You’ll only need to take it as needed, before having .