You finish, shake, zip up, and a few seconds later there's a small wet spot on your pants. It has a clinical name, post-micturition dribble, and it's common. In one trial of men seen at a urology clinic for erection problems, 36 of 55 had it, about 65% (Dorey et al., 2004). A lot of men never bring it up with anyone.
Why shaking doesn't fix it
The urethra isn't a straight tube. Behind the scrotum it dips down before running forward through the penis, and when your bladder finishes emptying, a small amount of urine can sit in that low section. Shaking clears the tip. It doesn't reach the urine pooled further back.
Normally a muscle at the base of the penis, the bulbospongiosus, contracts at the end of urination and pushes that last bit out. If it's weak, or doesn't fire at the right moment, the urine stays put until you stand, walk or sit down, and then it comes out on its own.
How this differs from other leaking
Post-void dribble happens after you've finished. That separates it from leaking when you cough, sneeze or lift, which is stress incontinence, and from sudden urges you can't hold back. It's also different from the leakage many men deal with after prostate surgery, which has its own causes and its own rehab.
When to see a doctor first
Dribbling can come along with an enlarged prostate or a narrowing of the urethra. See a urologist before trying anything on your own if you also have a stream that's gotten weaker over time, straining to start, getting up several times a night to pee, pain, or blood in your urine, or if the dribbling started suddenly.
What the research shows
In a 1997 randomized trial, 49 men who had never had prostate surgery were assigned to pelvic floor exercises, urethral milking, or counseling alone for 12 weeks (Paterson et al.). The counseling group didn't improve. After adjusting for how much each man leaked at the start, urethral milking cut urine loss by an average of 2.9 grams and pelvic floor exercises by 4.7 grams.
In the 2004 trial mentioned above, men did pelvic floor exercises that included a strong "squeeze out" contraction right after urinating, along with biofeedback. Of the 36 men who had dribbling at the start, 27 reported it gone after three months of supervised exercise and three more at home. Three improved, five dropped out, and one still had it.
Both studies are small, and the 2004 trial only included men who also had erectile dysfunction. Still, two randomized trials pointing the same way is more than most pelvic floor problems have.
Two techniques to try
The squeeze out: once your stream stops, firmly tighten your pelvic floor (the muscles you'd use to stop peeing midstream or lift the base of your penis) and hold for a second or two before you shake. Let go, and repeat once if needed.
Urethral milking: after you finish, place two or three fingers just behind your scrotum and press gently upward, then slide them forward along the underside toward the base of the penis. That moves the pooled urine forward where a shake can clear it.
The exception
If you also have pelvic pain, a slow or stop-start stream, or a sense that you never fully empty, squeezing harder isn't automatically the answer. A pelvic floor that doesn't relax while you pee can leave urine behind too, and strengthening it can make those other symptoms worse. I wrote about telling the two apart in tight vs. weak pelvic floor in men.
When it's worth an evaluation
If you've used both techniques consistently for several weeks without much change, or you're not sure which pattern fits you, an evaluation can sort it out. I treat men's pelvic floor conditions exclusively at Pelvic Lab.
Book a free 15-minute call with Dr. Weber or schedule a full evaluation.
Pelvic Lab is located in the Flatiron District of Manhattan at 16 Madison Square West.
Dr. Joshua Weber, PT, DPT, is the owner of Pelvic Lab in Manhattan. This article is educational and is not a substitute for an individualized medical or physical therapy evaluation.
