Jackie sort of welcomed Eddie back to his job on the episode "Sleeping Dogs." She told him things will have to change now. (Translation: no more afternoon cot sex!).
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Eddie is back at the hospital. He reclaimed his job in the pharmacy near the end of Nurse Jackie's second season.
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Eddie Walzer was in for a major shock when Nurse Jackie concluded its first season: he's been sleeping with a married woman.
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Coop and Eddie have become quasi friends on Nurse Jackie. This doesn't please Jackie.
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Eddie Walzer provides two things for Jackie Peyton: drugs for her pain and sex during hospital lunch breaks.
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Nurse Jackie Quotes

Don't ever say "ta-da." The only people that say "ta-da" are magicians or idiots.

Jackie Peyton

Percoset should never be crushed and chewed, unless you want it to hit your system like a bolt of lightening. Which is only a problem if you're afraid of lightening.

Jackie Peyton