If the metoprolol does not help, other medications that may help include selective serotonin reuptake inhibitors, fludrocortisone, midodrine, theophylline, disopyramide, scopolamine
, and hyoscyamine. A side from medication, a high salt diet and staying well hydrated may help.
2. Does lorazepam affect the chemicals in the brain to cause this?
Lorazepam is not causing these events and does not cause perminant neurochemical changes.