NRT is generally very safe in persons with stable heart disease or controlled high blood pressure. We recommend that you check with your doctor before using if you have palpitations, an irregular heart beat or pacemaker, have had a heart attack within the past two weeks, chest pain that has been increasing or severe within the past month, or high blood pressure that is not controlled. It is also good to check with your doctor to see if you need any adjustments in medication when you quit tobacco as some levels may change.
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