Sick Again

29/F

1 week history of hypersomnolence, hyperphagia, and anhedonia.
(+) generalized headaches, (+) joint pains, (+) malaise
(+) behavioral changes and irritabilty
(+) hallucinations of beer, beaches, and exotic places
(+) forgetfulness and poor short term memory

For impression and differential diagnoses, let me know.

And for treatment, don't ask me.
I'm referring to you for opinion and comanagement.

P.S. This is a charity case. No PF please.