Should I Continue Taking Urimax D For Weak Urine Flow Due To An Enlarged Prostate?

I am 66 male.having urine flow very weak.taking urimax d on prescription with assuption that it is due to enlarged prostate.now going to toilet for urinepass once in three hours.but taking longtime.after passing urine,again need to wait for one minute and bending on legs urine comes again in small quantity then feeling fully emptied. My doubt is may I continue urimax d and no need toconsult doctor. Or I should face any problem in future