INFO:

The four main medicines for Erectile Dysfunction are ,Viagra -Cialis-Stendra-Levitra..they increase blood flow & help to get an erection .. They start to work within 1 to 2 hrs. & the effect last 4 to 6 hrs, except the cialis stay 24 to 36hrs. Those medications might not work or may interfere with with some medication like Nitrate & blood pressure medication , check with your Doctor befor you take any of those medications …