Hello Doctor, I Am Suffering From Thyroid Problem From Dec

Hello Doctor, I am suffering from Thyroid problem From Dec 2016 Due to this I Have High BP And slepeness night. After checkup my doc describe me medicines For a month. Medicines are PATEK-CAP, INDERAL-LA 20 MG, THYRONORM- 50 MG & EZIT 0.5 MG. After some days I Feel Fine.But from last 5 Days I am suffering from Constipation. My stools becomes hard and I start taking CREMAFFIN PLUS LAXATIVE( 2 Tbsp) in a day in night only. I Feel My Heart Palpation Started yesterday night I can' t sleep.. My questions 1) can I stop taking CREMAFFIN PLUS IS IT TESPONSIBLE FOR SLEEPNESS AND HEART PALPATIONS OR U TELL ME THE RIGHT WAY OF TAKING THE CREMAFFIN PLUS . 2) If I take other medicine For hard Stools and Constipation.. Plz plz pls help me in this regard.. I am early waiting for reply 1 more thing i want to add I stop talking the EZIT 0.5MG FROM LAST 18-20 DAYS.. I CAN SLEEP WELL WITHOUT TAKING EZIT 0.5. MG PLS PLS HELP ME My described medicine doses are as 1) THYRONORM50 MG ( morning EMPTY stomach) PATEK CAP ( EMPTY STOMACH), INDERAL- LA 20 MG ( after breakfast)