Nausea is a common side effect of IV administration and less common in other modes. Antiemetics can be given prior to<unk>  to counteract the nausea. Risks and contraindications are similar to the triptans.<unk>  and triptans should never be taken within 24 hours of each other due to the potential for coronary artery vasospasm.<unk>  produces no dependence.
Dihydroergotamine
Allergan
Dicycloverine
Piperoxan
Ergotamine
Oxymetazoline
Metergoline
Betahistine