Can taking ranitidine 150 at the same time as my birth control (junel fe 1.5/30) lower the effectiveness of my birth control?

Stop ranitidine: Ranitidine (Zantac) has been recalled. Please stop taking it and talk to your doctor about a substitute. Be sure to ask if the new medication will interact with your birth control pills. See this recall announcement by the FDA: https://www.fda.gov/news-events/press-announcements/fda-requests-removal-all-ranitidine-products-zantac-market