Palpitations, tachycardia, BP elevation, precordial pain; overstimulation, restlessness, nervousness, insomnia, tremor, dizziness, headache; nausea, vomiting, dry mouth, abdominal cramps, unpleasant taste, diarrhea, constipation; micturition disturbances, rash, impotence, change in libido, facial edema.