Urine blockage in males is often caused by conditions that obstruct the flow of urine from the bladder. Common causes include an enlarged prostate (benign prostatic hyperplasia), urethral strictures (narrowing of the urethra), kidney stones, bladder stones, or even infections. These blockages can lead to discomfort, difficulty urinating, or incomplete emptying of the bladder. In severe cases, untreated blockages can lead to kidney damage or urinary tract infections, making it crucial to seek medical attention for diagnosis and treatment.