KnowraSildenafilLinked fromLinked fromThe 6 pages that link to Sildenafil, each with the reason it gives.All 6Broader topic 3Related 1Compared with 2Erectile dysfunctionBroader topic: It is a widely used example of oral treatment.Drug repurposingBroader topic: Its development for erectile dysfunction followed investigation of an unexpected effect observed during angina trials.ErectionBroader topic: It is a widely used example of a drug that enhances the erectile response.TadalafilCompared with: It shares tadalafil’s drug target but generally has a shorter duration of action.VardenafilCompared with: It is a close alternative with a longer clinical history and similar core mechanism.Amyl nitriteRelated: Combining sildenafil with amyl nitrite can produce a severe, potentially life-threatening fall in blood pressure.