hello I take metoprolol succ er and was wondering if there is something that can replace it without the side effects ,,,occasional headaches ,joint pain ,sexual ineffectiveness weight gain can you help to ask my dr the right ques tions i am also fatigued easily I am 63 have two stents I am also epileptic on phenobarbital,,,,Viagra or Cialis don t help with the sexual part except once in a while a bad headache I don t use it because of the ineffectiveness.