A hydrocele is a painless collection of fluid around the testicle. Think of it as a small water balloon inside the scrotum—annoying, but usually harmless. Painless swelling is the key sign. One side of the scrotum gradually enlarges, often feeling like a smooth, squishy water balloon. Heaviness comes next. The extra weight makes the scrotum hang lower, especially after a long day on your feet. Size changes with gravity. The swelling is bigger in the evening and smaller after lying flat overnight. No sharp pain. You might feel a dull ache or a dragging sensation, but nothing that stops you... Learn more