Patienter bør oplyses om, at behandlingen bør afbrydes i tilfælde af hypertension, takykardi, palpitationer eller hjertearytmier, kvalme eller andre neurologiske tegn (såsom hovedpine eller forværret hovedpine).
Patients should be informed that the treatment should be discontinued in case of hypertension, tachycardia, palpitations or cardiac arrhythmias, nausea or any other neurological sign (such as headache or increased headache).