-Somatic symptoms are seen in up to 2/3rds of primary care patients with depression. Somatic symptoms are more likely in elerly, low-income groups, children, and pregnant women.
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Medication options for elderly: SSRIs – Citalopram, escitalopram, and sertraline are good options. Avoid Paroxetine because it has more anticholinergic effects.
Other good options are Venlafaxine, bupropion, and Mirtazapine.
References
http://www.aafp.org/afp/2015/0715/p94.html