Zetia Side Effects. As well as its needed effects, ezetimibe (the active ingredient contained in Zetia) may cause unwanted side effects that require medical attention.
Abdominal fullness
black tarry stools
bleeding gums
bloating
blood in urine or stools
chills
constipation
darkened urine
fast heartbeat
fever
gaseous abdominal pain
general tiredness or weakness
indigestion