Can cause anxiety
reflex bradycardia
tachycardia
arrhythmias
headache
cold extremities or gangrene
hypertension
nausea
vomiting
sweating
weakness
fear
restlessness
insomnia
confusion
irritability
psychotic states
dyspnoea
anorexia
palpitations
extravasation causing tissue necrosis and sloughing
mydriasis
difficulty in micturition and urinary retention
piloerection
increased salivation
hyperglycaemia and lactic acidosis.