Can prevacid (lansoprazole) be used to treat really bad gerd?

Yes: Prevacid (lansoprazole) is a ppi which is a class of medications used to treat reflux. If not better ca your doctor.

Yes: Prevacid (lansoprazole) is an appropriate for gerd. It should be taken on an empty stomach, 30 minutes before a meal for it to be most effective.

Yes: Prevacid (lansoprazole) and the other proton pump inhibitors (ppis) are often used to treat the symptoms of reflux. They are safe but not without side effects.