Can cause- low/high blood pressure
fast heart rate
palpitations
heart attack
abnormal heart rhythm
heart block
ECG changes
heart failure and stroke
confusion
hallucinations
disorientation
anxiety
restlessness
agitation
sleeplessness
abnormal dreams and irritable mood
numbness
tingling
incoordination
tremors
seizures
alterations in EEG patterns and ringing in the ea
nausea
vomiting
dry mouth
loss of appetite
constipation
stomach upset
diarrhea
intestinal obstruction
mouth ulcer
abdominal cramps and black tongue