causes of excessive urination in malesblood in urine male dehydrationblood in urine male after exercisesmall amount of blood in urine maleblood in urine men's healthblood in urine male cancerblood in urine older maleheavy blood in urine maleblood in urine and stool malemen passing blood in urinedrops of blood after urination maleblood in urine male no pain causes