Valcat, I don't do dishes, either!
In my own personal experience with depression, I have found that anger is quite common... for no apparent reason. It will just suddenly rear it's ugly head.
Keep taking your meds and if there is no improvement after 6 weeks to 2 months, talk to your prescriber.
You certainly are not alone in this!
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.