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It seems that your husband is being over-medicated for his bipolar
disorder, and because it is not properly treated he also has to take the Zolnox is great quantities to suppress all of the manic activities resulting from the bipolar disorder.
I have researched the drug combinations that he is currently taking. They are, translated into generic names rather than the South African brand names, are:
valproic acid (epilim)
He is taking three antipsychotics (Zyprexa, Epilim, and Epleptin), and this is probably too much. He is also taking two antidepressants (Venlor and Adco-Mirteron). These two interact badly with each other and one of them should be stopped, but not abruptly.
If the medication was working, he would not have so much manic energy and need so much sleeping tablets, unless of course he is also taking some stimulants such as amphetamines or cocaine, which will prevent him from sleeping.
I have prepared a list of all of his medications and there interactions with each other, using the application at drugs.com. Print this out and give it to your doctor, or find a new doctor that doesn't give so many drugs at once. I have spent considerable time creating this site for you in order to bring you the best help possible. Take it to a doctor and use it as a basis for changing his drugs. A psychiatrist would be the best kind of medical doctor for him.
I wish you great success in helping him. Bipolar Disorder CAN be controlled.
Elliott Sewell, LPCC, NCC, CCMHC