This medication could cause hearing damage, tinnitus (calling inside your ears), or vertigo. When you have hearing damage that is unexpected with or without vertigo or tinnitus, quit getting this medication and contact your physician immediately. Sildenafil is just a prescription medication. It is available in the shape of the pill and suspension (fluid). Mouth takes both. This medication can also be obtainable in an intravenous (IV) type, that will be just distributed by a health care provider. Sildenafil can be obtained like a brand-name Revatio was called by medication. Available like a generic-drug. Common medicines often cost-less. They might not be accessible in type or most power whilst the brand name edition. Speak to your physician when the universal edition works for you personally to determine. This medication can be used to deal with pulmonary arterial hypertension (PAH) in people. With this specific situation, the blood-pressure inside your lungs is excessive. Your center needs to function very difficult to push blood. This medication goes to some course of medicines called phosphodiesterase type-5 (PDE5) inhibitors. A-class of medicines is just a number of medicines that work-in a method that is similar. These medicines in many cases are used-to handle problems that were comparable.