it blocks alpha receptors
in the penis and inhibits the negative effects of stress hormones. Vigamed is not available
in the US but you can order it online: vasomaxclinic.com I also take SEREDYN to control my anxiety and sometimes STABLON when I'm feeling depressed. It's a lot of stuff but it works.
You said your doctor prescribed Cialis. All three PDE-5 inhibitors (Viagra, Cialis, Levitra) are very effective but everyone is different and reactions vary greatly.