This article is probably more useful for doctors than for patients as probably only a few patients are using Lithium.[ also, the partners of lithium patients should be aware of what is written here

]Lithium may cause intoxication symptoms, EVEN with totally normal lithium levels in the blood [many additional circumstances can lead to this] situation

All patients under lithium treatmnet should be suspected of lithium intoxication; if special neuro-psychiatry symptoms develop like confusion, speech problems or unstable walking, which are not just temporarily.

Be aware!