I have no idea about any of this, except to say that when you have a procedure and then side effects in the same area ignore doctors who tell you it can't be related. The fact it is rare doesn't mean it didn't happen to you, and any invasive procedure can cause a problem in some that most don't get, such as the doctor putting the needle where he or she shouldn't have. But as to your anxiety question, the question to ask yourself is, did you feel anxious before this procedure and your delivery? Did you feel anxious already before you started feeling all this physiological stuff that naturally frightened you? Because fear from a known source is natural and rational; anxiety just exists and usually for no known reason. The fact this is going away despite you still feeling frightened also suggests a physiological cause. This is why most people who end up addicted to painkillers get there from surgeries. But you're getting better, and are recovering. I'd focus on that. I'd also ask if you exercise? Movement might help your body. Also, the elevated protein levels that indicate inflammation -- know that inflammation can become permanent if you don't do something about it. That can involve things like massage, chiropractic, and acupuncture. It can involve eating in a way that takes common inflammatory foods out of your diet, such as dairy and wheat. It involves moving so your nutrients and blood flow smoothly through your system. What happens with trauma is, the body surrounds the area with this protein, walling it off so it doesn't infect the rest of the body, but that blocks flow and the area can stay inflamed. One of the anti-inflammatory techniques used is to take protein-digesting enzymes in between meals -- just an example to show that this isn't a new problem that nobody has ever thought about before. Doctors generally don't tell people this. It happened to me from an auto accident -- nothing was broken, and what doctors tell you is, well, you'll be fine. Years later when your neck and back start hurting because they've been inflamed all this time and you learn this from an x-ray or MRI you wish you had been informed about this so you could have seen one of the practitioners I mentioned above who help to break apart this inflammation if you get it early enough. So, ask yourself if you're that anxious of a person, and trust your instinct, but don't ever Google symptoms again -- there are a million symptoms that will frighten you. Just use the Google when you already have a diagnosis and a recommended treatment to make sure your doctors aren't clueless. But don't go looking for diseases, because you'll surely find one you don't have.
I spoke to the anesthesiologist who put my epidural in like 4 times since I had the baby and he told me he has never seen this before and doesn't think it's related. I have also had the Neurologist in the hospital tell me he doesn't think it is related and told me the twitching and sensations could be from anxiety.