Because some women should not take Ortho-Novum, warnings and precautions for this contraceptive should be discussed with your healthcare provider. For instance, you should not use it if you have heart disease, a blood clotting disorder, or certain types of cancer. Ortho-Novum warnings and precautions also extend to women who have certain allergies, or who are pregnant or breastfeeding.
Liver disease, such as liver failure, cirrhosis, or hepatitis
Cancer (or if you have had cancer in the past)
Undiagnosed vaginal bleeding
Any allergies, including allergies to dyes, foods, or preservatives.
Also, let your healthcare provider know if you:
Are over 35 years old
Smoke cigarettes
Have an upcoming surgery
Are pregnant or thinking of becoming pregnant
Are breastfeeding.
Make sure to tell your healthcare provider about any other medications you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.