But, for those who know they want generic sildenafil or tadalafil, that’s more of a plus than a problem. Instead of ...

Still, these pills and products have become increasingly popular with consumers. Unlike Viagra and Cialis (tadalafil), they don't require a prescription. They are also less expensive and often include ...

Below is some more information about taking part in a trial that we are funding with the Alzheimer's Drug Discovery Foundation, looking at whether an existing drug called tadalafil may help to treat a ...