i am 52, having hypertension since 1994, was taking CONCOR 5mg & GIFTAN 25 mg daily, In April 2012 my doctor gave NEWTEL H 40 mg instead of GIFTAN 25,since April 2012 am in COCOR 5 & NEWTEL H 40, Now am suffering from impotence (NOT HARDENING), more urination and constipation , am worried, pl suggest the remedy