Suggest Treatment For Non-malignant Tumor Between Pituitary Gland And Brain
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Detailed Answer:
I read your question carefully and I understand your concern.
In order to address his seemingly passiveness and somnolence one must first understand the cause. I am not very clear about this tumor that he has, what type and how it has been managed.
If the tumor is causing a hormonal deficiency, like for example low thyroid function which could justify those symptoms, then he should be treated with substitute hormones.
If this state is related to the mass effect of the tumor or tumor of the hypothalamus (which is above the pituitary gland and very much involved in sleep and behavior) then I am afraid that there is not much that medication can do, it's the tumor which must be addressed. Medication to reduce brain swelling like dexamethasone might have some transitory effect.
If on the other hand those causes have been excluded and it is thought that his condition is due to depression, then I would say that lexapro is a good choice. Its effects is not evaluated right away as it takes a few weeks to show its benefit. While it treats depression though in a percentage of cases it can have somnolence as a side effect.
An antidepressant which studies have shown to have less risk of such side effect and more appropriate for depression with somnolence and fatigue would be Bupropion, so that could be an alternative.
I don't know why he takes Clonidine, you should know that it can cause some somnolence as well.
I remain at your disposal for other questions.
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Detailed Answer:
Thank you for bringing some more information.
4 cm is by no means a small size and there must be some compression effect. Anyway I suppose the neurosurgeon have evaluated him and have their reasons for not doing surgery or radiosurgery again.
Regarding the depression treatment I sort of already answered that, my apologies if I wasn't clear. I think Lexapro is in fact the best choice it is amongst the most used antidepressants with fewer side effects. As I said its effects may take some weeks so if just started you should have some patience. An alternative would be Bupropion which has less somnolence side effect, but on the other hand it has a higher incidence of seizures, so his doctor must consider if he's at seizure risk due to his tumor.
I hope to have been of help.