Usage of ergotamines such as dihydroergotamine (DHE) and methylergometrine (Methergine)
Miosis
Burning sensation in extremities
Cerebrovascular ischemia
Seizures
Cardiac ischemia
GI disturbances
Peripheral ischemia
Ergotism
Atypical migraine
Insomnia
CVA
Dysphonia
Ataxia 
Ataxia
Hallucinations