Editor name: Luis Abranches-Monteiro
Latest Update: August 2018
Post micturition dribble (PMD) is the term used when an individual describes the involuntary loss of urine immediately after he or she has finished passing urine, usually after leaving the toilet in men, or after rising from the toilet in women. 
It differs from Terminal dribble mainly in a temporal way since this latter is the term used when an individual describes a prolonged final part of micturition, when the flow has slowed to a trickle/ dribble .
Hence, post micturition dribble is clearly separated from micturition. It is an involuntary loss of urine being then a form of incontinence.
A survey was conducted to investigate postmicturition dribble in the general adult male population. The incidence of postmicturition dribble in the men in their 20s, 30s, 40s and 50s, was 11.5, 13.2, 19.4 and 26.9%, respectively. The overall incidence was 17.1%. Of those who had experienced postmicturition dribble; 14.0% dribbled almost daily but the degree of postmicturition dribble was limited to spotting or wetting of the underwear in 93.2%. Therefore, 2.3% of all respondents answered that they had experienced postmicturition dribble almost daily. It is concluded that postmicturition dribble is fairly common in adult men. 
A Finnish study showed that half of the 30-year-old men and two-thirds of the men aged 60-80 years had postmicturition dribble. Dribbling into trousers increased with age but as a severe symptom, it was rare (0.5%). 
When in conjunction with other symptoms a functional or anatomical abnormality of the lower urinary tract was found in every patient 
The mechanisms are diverse. Some patients have a hyperactive detrusor while others show a urine bulbar residue, even in the absence of a urethral stenosis.  . When the cause is an urethral stenosis
In these cases, the more distal and severe the stenosis, the more likely to present a post micturition dribble.
It is a multi-mechanism symptom, ranging from the result of post micturition detrusor contractions, to delayed emptyng of urethral residues due to any difficulty in emptying, like a distal urethral stenosis.
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