Are allergic to Errin, norethindrone, or any inactive components used to make the pill. Your healthcare provider or pharmacist has a list of the inactive components.
There are a number of situations in which Errin should not be used, along with several precautions and warnings people should be aware of before using this form of contraception. However, it is possible that not all the warnings or precautions were discussed in this article. Therefore, you should talk with your healthcare provider about the specific Errin warnings and precautions that may apply to you.