What would you consider for the primary working diagnosis for Faith?

Working Primary Diagnosis:
1) What would you consider for the primary working diagnosis for Faith? Moderate Major depression disorder (This is THE DIAGNOSIS OF THIS PATIENT)
Differential Diagnosis:
2) Please list at least three differentials that you would want to rule out as a diagnosis. Include all exclusionary and inclusion symptoms for your rationale. Please note any diagnostic tools including rating scales or questionnaires you would utilize to support your diagnosis.
Treatment Plan:
3) What is the class of medication that you would consider for a first line treatment for Faith?
Drug: Fluoxetine (Prozac) 10mg/day PO in the morning

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