Thanks for choosing health care magic for posting your query.
I have gone through your question in detail.Mirtaz
is a sedative antidepressant and that could be a reason for his eyes shutting down. But now that you have changed it and he still has this problem, he needs to be investigated for thyroid
disorders and Serum sodium. If these things come normal, then he can be started on Modalert for 2-3 weeks. if difficult to comment on this particular case without examining him.
Hope I am able to answer your concerns.
If you have any further query, I would be glad to help you.
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Wish you good health,
Dr. Srikanth Reddy M.D.