Dizziness/faintness, headache, vertigo, malaise, drowsiness; upper resp tract infection, bronchitis, sinusitis, rhinitis, laryngitis, pharyngitis, flu-like symptoms; abdominal pain, dyspepsia, constipation, nausea, vomiting, diarrhea, dry mouth; pain, asthenia, back pain, neuralgia, neuropathy, lumbar disc lesion, joint disorders including arthritis, arthrosis, arthropathy, arthralgia, bursitis; hepatocellular & cholestatic liver injury; impotence, priapism, ejaculation disorders; rash, urticaria, angioedema, pruritus; tachycardia, palpitations, chest pain, angina pectoris in patients w/ preexisting CAD, & other symptoms associated w/ orthostasis eg, hypotension or postural hypotension & syncope; isolated spontaneous cases of QT interval prolongation, ventricular arrhythmias, including torsades de pointes, ventricular tachycardia & fibrillation; IFIS during cataract surgery in some patients on or previously treated w/ α
1-blockers, abnormal vision; fatigue, edema, flushing, bite, inflicted injury, pain.