online generic cialis sale buy cialis online online generic cialis sale cialis online A few causes of impotence may be iatrogenic (medically caused). What is erectile dysfunction? Erectile dysfunction (ED) means that you cannot get and/or maintain an erection. In some cases the penis becomes partly erect, but not hard enough to have sex properly. In some cases, there is no swelling or fullness of the penis at all. ED is sometimes called impotence. Medications for erectile dysfunction include: oral phosphodiesterase type 5 (PDE5) inhibitors (sildenafil (Viagra), vardenafil (Levitra), and tadalafil (Cialis) Levitra from TRUSTED online pharmacies buy levitra online Propecia (Finasteride) Drug Information: Description propecia online What should I do if I develop persistent erectile dysfunction? It is best to see your GP. He or she is likely to discuss the problem, go over any medication you may be taking, and do a physical examination. This can help to identify, or rule out, possible underlying causes. Before treatment, your GP may suggest some tests.