Which of the following agents would be beneficial for the patient's anxiety and diabetic neuropathy?

A. Paroxetine (Paxil): Paroxetine is a selective serotonin reuptake inhibitor (SSRI) effective for anxiety and depression but has no analgesic effect on neuropathic pain. Its use does not address diabetic neuropathy symptoms. B. Duloxetine (Cymbalta): Duloxetine is a serotonin-norepinephrine reuptake inhibitor (SNRI) that treats both generalized anxiety disorder and diabetic peripheral neuropathic pain. By enhancing descending inhibitory pain pathways, it provides dual therapeutic benefits. It is FDA-approved for both indications. C. Escitalopram (Lexapro): Escitalopram is an SSRI that effectively treats anxiety and depression but lacks efficacy for neuropathic pain. It does not provide analgesic benefit for diabetic neuropathy. D. Venlafaxine (Effexor): Venlafaxine is an SNRI used for anxiety and depression, but its efficacy in diabetic neuropathy is less established than duloxetine. While it may offer some pain relief, it is not FDA-approved specifically for neuropathic pain.