Side effects of<unk>  include nausea and vomiting. At higher doses, it can cause raised arterial blood pressure, vasoconstriction (including coronary vasospasm) and bradycardia or tachycardia. Severe vasoconstriction may cause symptoms of intermittent claudication.
Ergotamine
Dihydroergotamine
Metergoline
Altretamine
Sodium nitroprusside
Phentolamine
Papaverine
Nicergoline