Quick Answer: How do I know if I have a defective drug case in Louisiana? You may have a defective drug case in Louisiana if a prescription or over-the-counter drug caused you serious harm due to a dangerous design, manufacturing error, or the manufacturer's failure to warn about known risks. You do not need a recall to file a claim. A defective drug attorney Baton Rouge at Lindsey Scott Law Firm reviews these cases for free and can tell you within your first consultation whe