This case is too difficult, as i cant controll the allopatic medicines, some of his trouble is from them, theres alot of Natrium mur sympt her but it can be from the diurectic, some sulphur, some calc carb, i would use sulphur x200 one dose as a sstart to get rid of some of the toxins from medications, also because of the diabetic behaviour her, and some in me say phosphorus, ill think phos is his remedy, but its not up in the day, theres too litle info here.
Use sulphur, and see what happens over the next mont, one dose, once only, no more, and quit digitalis, it may be of need butits used allopathically, it is used like this, because the knowleded of homeopathy is too low, or its not possible to use otherwise, beacause of medications.
Ignatia is not a stupid suggestion at all, its good, but it will not help too good in this case, i think, knowledege of pathology and allopathic remedies, and biochemie is a must, this with psych will give experience.. So keep on gary, your becoming good, more good than many ive seen on this BB.

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Homeopat MNNH Geir E.T. Marcussen
email: getm@eunet.no
http://www.homeopati.no