Basically have a browser redirect, installed or injected somehow.
Gets redirected to the following med related website: http://reliablemedsdelivery.com/
Happens on Firefox and other browsers too and android device.
Please help :-)
I recommend that you have a read of this walk-through that will help you to resolve this issue.
I hope that this helps, but if not, please come back here and we can look into a different solution for you.