Vasotec serious side effects. Call your doctor at once if you have a serious side effect such as:

  • fainting, feeling lightheaded
  • fever, flu symptoms, body aches
  • urinating more or less than usual
  • fast heartbeats
  • chest pain
  • rapid weight gain, swelling
  • angioedema, swelling of hands, face, lips, tongue (African-American patients are at higher risk)