Can cause constipation
diarrhea
indigestion
flatulence
gross bleeding/perforation
gastric/peptic ulcers
heartburn
nausea
mouth ulcer
GI ulcers
vomiting
anemia
elevated liver enzymes
and blood vomiting
fever
infection and sepsis
high blood pressure
fast heart rate and fainting
liver inflammation and jaundice
eosinophilia
decrease in white blood cells
bruising
blood in stool and rectal bleeding
weight changes
anxiety
weakness
confusion
depression
dream abnormalities
drowsiness
dizziness
sleeplessness
uneasiness
headache
nervousness
tingling and tremors
asthma and difficulty in breathing
hair loss
sensitivity to light
itching and increased sweating
blurred vision and ringing in the ear
bladder inflammation
painful urination
blood in urine and kidney failure.