You might have a problem. Manufacturers put expiration dates on medication because they can't guarantee the effectiveness of the medication after that date. You may want to contact the manufacturer, which is Watson at 800-272-5525. Did the pharmacy give you an expired pack? I would use back up contraceptive and contact your doctor after you contact the manufacturer. Good luck!
- Mononessa Information for Consumers
- Mononessa Information for Healthcare Professionals (includes dosage details)
- Side Effects of Mononessa (detailed)
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