What are genital warts? Genital warts are caused by an infection from the human pappilomavirus, or HPV. Like all viral infections (see strep throat, common cold, etc) it is easily contagious, runs its course and eventually goes away in most cases. Heard all the hype about the new wart remover product Wartrol? But want to know what’s the catch? READ THIS! We’ll tell you all you need to know about this product. Side effects and all.