Hi I have been on Lortabs for Pain, I have Fibromyalgia and chronic pain and have had pain management since 2009 however i do not take them everyday only on my bad days..here lately it seems like they are made different or something the last 2 times i took one its a 1omg/325 i have gotten very nauseous, light headed, sweating, profusely, like iam going to just vomit and pass out.. can your body just all of a sudden react different