I tooo betacap tr 40 once in a day for one month stopped on 22 sep as prescribed for 1 month developed fainting and sweating in hands like symptoms after 7 days now it has been over a month i have anxiety more done ecg yesterday doctor said it was normal i am worried as it affect my cardiac health or cause heart related issue i could not sleep as i have read stopping suddenly cause sudden cardiac problems in which cases it does so please clarify.