Evista Side Effects. In addition to its needed effects, some unwanted effects may be caused by raloxifene (the active ingredient contained in Evista). In the event that any of these side effects do occur, they may require medical attention. Stop taking raloxifene and get emergency help immediately if any of the following effects occur:
- Coughing blood
- headache or migraine headache
- loss of or change in speech, coordination, or vision
- pain or numbness in chest, arm, or leg
- shortness of breath (unexplained)