... Gastric condition. I use Lanzoprazole 30 mg DR. I am having heartburn even I drink the Metoprolol after breakfast . I was taking Lanzoprazole when I woke up but didn't know I had to drink it fasting 30 minutes before cofee. Do you have any recomendation you may recommend for this side effect? This side effect doesn't seem common since I read only 1% patients had it. I don't have any other side effect please help