Common side effects of Fareston (toremifene) may include:
The above side effects should not alarm you.
Serious side effects of Fareston (toremifene) may include:
- pelvic pain, abnormal vaginal bleeding;
- slow heart rate, weak pulse, fainting, slow breathing (breathing may stop);
- blurred vision, tunnel vision, eye pain, or seeing halos around lights
If you have any of the above side effects, contact your doctor right away.
Signs to watch for:
Heart rhythm disorder –headache with chest pain and severe dizziness, a light-headed feeling, like you may pass out, convulsions like a seizure, or fast or pounding heart beat;
Heart attack symptoms--chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating;
High levels of calcium in your blood--nausea, vomiting, constipation, increased thirst or urination, muscle weakness, bone pain, confusion, lack of energy, tired feeling;
Liver problems--loss of appetite, upper stomach pain, tiredness, easy bruising or bleeding, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
Blood clot--sudden numbness or weakness (especially on one side of the body), severe headache, slurred speech, problems with vision or balance, chest pain, wheezing, coughing up blood.