Can someone take 30 mg prevacid (lansoprazole) while on cocaine?

Stop cocaine. If you're "on cocaine, " taking Prevacid (lansoprazole) or not is the least of your problems. See an addiction medicine doctor for help with your Cocaine abuse/addiction. It will kill you. http://www.asam.org/ also Cocaine anonymous can help. http://www.ca.org/.
Yes. However, the Cocaine will make the stomach problem worse.