15b157f7_Institute___Urology_at_Hopkins__Disadvantages
[Types of RX] Vacuum constriction devices [Advantages] -Relatively safe -Creates a highly successful erection-like state -Works "on demand" [Disadvantages] 
-Requires training to master technique -Equipment can be cumbersome -Possible side effect: local bruising
Erectile Dysfunction -The James Buchanan Brady Urological Institute - Urology at Hopkins
Disadvantages