Angina, atrial fibrillation, arrhythmias, chest discomfort & pain, supraventricular tachycardia, tachycardia; CNS stimulation, dizziness, drowsiness, headache, insomnia, irritability, lightheadedness, migraine, nervousness, nightmares, restlessness, seizure; angioedema, rash, urticaria; hyperglycemia, hypokalemia, lactic acidosis; diarrhea, dry mouth, dyspepsia, gastroenteritis, nausea, unusual
taste, vomiting, GI discomfort; micturition difficulty; muscle cramps, musculoskeletal pain, tremor, weakness; otitis media, vertigo; asthma exacerbation, bronchospasm, cough, epistaxis, laryngitis,
oropharyngeal drying/irritation & edema, pharyngitis, rhinitis, upper resp inflammation, viral resp infection; allergic reaction, anaphylaxis, diaphoresis, lymphadenopathy.