contraceptives less effective. Tell your healthcare professional about all of the medicines you are taking before starting to use the Patch and while you are using the Patch including prescription and nonprescription medicines, vitamins, and herbal and dietary supplements. Overdosage: Do not use more than one Patch at a time. Overdosage may cause nausea and vomiting. Vaginal bleeding may occur in females. Contact your healthcare professional or pharmacist in case of overdosage. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088. This information is intended for use by our customers, patients and healthcare professionals in the United States only. Janssen Pharmaceuticals, Inc., recognizes that the Internet is a global communications medium; however, laws, regulatory requirements, and medical practices for pharmaceutical products vary from country to country. The prescribing information included here may not be appropriate for use outside the United States. Last Modified On October 17, 2012 If you think someone you know might benefit from the content of the previous page, enter his or her information below. We'll send an e-mail inviting your friend to view this content, courtesy of you. By submitting an e-mail address, you are requesting that we contact on your behalf the person you specify here. Your contact information and your friend's contact information are required, but they will not be used other than to distribute the communication request. Please review our Privacy Policy.