Abstract Background Priapism is defined as erection that lasts for more than 4 h without sexual stimulation. There are various causes of priapism. but there are no reports of sildenafil-induced priapism in dogs. In human medicine. https://www.roneverhart.com/Plastic-Gift-Boxes-Gold-5X4X3-5-6-Pack-Bakery-Boxes-With-Base-Lid-Ribbon/