What Are The Side Effects Of Stamlobeta?

Hi, may I answer your health queries right now ? Please type your query here...i am hypertensive since 2005 and taking stamlobeta once in morning.but since last one year i am taking treatment of hg.tg upto 370 with medicine lopid+loprin-m75.result is at preasent tg.196 with b.p.140/90.pl.suggest is it cgange pr.med.or not?