Hello, I`m On Bupropion Hcl Xl 150 Mg Two Pills

Hello, I`m on Bupropion hcl xl 150 mg two pills once a day in the morning. I have been on it for two months now and since the beginning I have experience these side effects. dizziness, sore throat, nausua, adominal pain. And bowel movements 3 or 4 times a day and sometimes diereha. Is this caused by this med