You are definitely right.
In fact out of all the medicines you are using,at least three of them are causing low sex drive.
These are ESCITALOPRAM,CRESTOR
If you are really being bothered about the sexual life,then you would have to talk to your doctor for revision of prescription.
Till you are able to get your medicines changed,do the following
Do regular aerobic exercises for 40 minutes a day
Reduce your weight
Moderate your alcohol consumption
Go for yoga