Are allergic to Premarin, conjugated estrogens, or any of the inactive components used to make Premarin. Your healthcare provider or pharmacist has a list of the inactive components in Premarin.
Have a history of breast cancer (except when Premarin is used to treat the symptoms of severe, advanced breast cancer)
Have any cancer that is sensitive to estrogen
Have undiagnosed abnormal genital bleeding
Have ever had a blood clot or pulmonary embolism (a blood clot in the lungs)
Have had a heart attack or stoke within the past year
Have liver dysfunction or liver disease
Are pregnant (or think you might be pregnant).
Premarin Warnings and Precautions: Final Thoughts
There are a number of situations in which Premarin should not be used, along with several precautions and warnings people should be aware of before using this medication. However, it is possible that not all of the warnings or precautions were discussed in this article. Therefore, you should talk with your healthcare provider about the specific Premarin warnings and precautions that may apply to you.