My husband suffers from ypothyroidism,he's pulse is always in the 50's and for the past 2 months he's been getting dizzy,and with no energy. The doc did some tests 3 weeks ago and put him in a higher dose of synthroid,which he started 1 week and a half ago. he still feeling sick and dissy all day,he just lays in the couch,iwant to take him to theE.R,should i?