Yes, you can feel even more sensitive while the cysts resolve. It can take several months. The process will be somewhat longer at lower doses than larger doses. You don't say how much you're taking. I wouldn't take less than the equivalent of 50 mg Lugol's or Iodoral daily, and progress will be faster on 75-100 mg.
For jitteriness and anxiety, raise your magnesium. Take just as much as your bowels can tolerate, in several doses a day and before bed. Find your best magnesium supplement, as people respond variously to the malate, citrate, glycinate, and other forms.
You may also need supplemental progesterone and potassium to balance estrogen and sodium.
Here is a thread talking about breast/ovarian pain: