Switch, you need to let your pdoc's office know your state on this lithium level. It may be the prescribed dosage but that doesn't mean it's a good level,for you. Please call & let them know that you aren't functioning about a sunsistence level.

Then please get up & take Perna's advice: "Stop with the TV watching, get a decent meal and adequate hydration." Add periodic bathing, dressing daily in clean clothing, leaving the house if for nothing more than to walk a few miles around it. You need to begin making a habit of self-care.