This Week For The First Time I Have Had Gerd

This week for the first time I have had gerd twice and I hAVE ibs. The chemist said use pepperment oil for the ibs and bloating. Last night was worse vomitting and I could taste the pepperment oil , burping and wind rolling around in my stomach I slept sitting up and the symptoms gone by this morning. I went to the chemist last night for heartburn relief and got mylanta and the chemist two days ago gave me gastenz. do i tske the peppermint oil or what