Is wellbutrin sr safe with synthroid. . . RX: Generic versions of Lamictal 200 mg, Wellbutrin SR 300 mg . . . thing, Is it not safe to go up to 450mg of Wellbutrin . . . . 15 mg synthroid, 1. doctor wants me to take 5HTP and also tyrosine to remedy my neurotransmitters so I can feel good again. . Only your doctor can determine if it is safe for you to continue taking Wellbutrin SR. Buying Wellbutrin-SR (bupropion) from Value Pharmaceuticals . time to see a difference? are these two drugs safe ... more