Telmiwal AM (telmisartan/amlodipine) is a highly effective combination, though its components can sometimes cause side effects like ankle swelling. Tenoric (atenolol/chlorthalidone) and Concor (bisoprolol) are beta-blockers, which are generally not the first-line choice for high blood pressure in seniors unless you have specific heart conditions. The 'best' and safest medication is the one tailored specifically to your body. Please do not switch these medications on your own. I highly recommend discussing these side effects with your doctor, who can safely adjust your current telmisartan/amlodipine dose or transition you to a gentler, equally effective alternative.