I Woke Up With Heart Burn After Eating Peanut The

I woke up with heart burn after eating peanut the five minutes later I started feeling weak and off balance,like I'm ready to faint I can't sit or stand for too long I've been to the doctor they can't find nothing wrong it sometimes also comes with a pressure in my right ear or a stuffy nose it depressing can u help me please.oh sometimes it starts with a warmth in my leg my doc gave me nasal spray today