Headache, dizziness, paresthesia, dyspnea, constipation, nausea, diarrhea, fatigue, oedema; nightmare, depression; visual disturbances, bradycardia, heart failure, slow AV conduction or AV block, hypotension, intermittent claudication; bronchospasm, dyspepsia, bloating, nausea, pruritus, erythematous rash, impotence; aggravated psoriasis, syncope.