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Dear Robert,
It is unclear if your symptoms are organic, psychological, or a combination of both, especially given your previous history of depression.
Phosgene or phosphine toxicity can cause a number of neuro-psychiatric symptoms; such as headaches, visual disturbances, and agitated psychotic behavior, to name a few. I am not aware of any neuro-psychiatric manifestations of cadmium toxicity. It is important to continue working with your neurologist and psychiatrist, as they continue to evaluate your symptoms.
I hope you find this information helpful. It is provided for educational purposes only, and should not replace consultation with your doctors.
*Keywords: phosgene, phosphine, cadmium, toxicity