Topamax and Birth Defect: TOPAMAX® is manufactured for by Janssen Pharmaceuticals, Inc. Janssen is located in Titusville, New Jersey. Unfortunately, Topamax may be associated with birth defects. Several topamax lawsuit filings have concerned the use of topamax and subsequent birth defects. TOPAMAX® is a prescription medicine primarily used to help […] Topamax and Birth DefectThis entry was posted in Birth Defect Prescription Drug and tagged birth defect cleft lip cleft palate topamax on February 17, 2014 by Legal Sleuth® (updated 3215 days ago)