Hi Rach, you'll be getting some different sensations as your body recovers. Right now you are in the very early stages, so many things will be 'strange'. If the nurse looked at it and was happy, then you're likely fine, but if concerned, get in touch with the surgeon's office. No problem with contacting them.
Having said that, it sounds pretty normal. So long as the temperature is not elevated, you should be fine. The paracetamol will help with irritation, so it seems all the steps you're taking are fine. You may be getting some of the numbness we have all gotten to some degree. If so, it was there for me for a bit on both legs, but it eventually went away.
The swelling went down for me after about a week post release. It was at its worst for a few days, then moved down my leg until my ankles swelled like I was retaining water. Pretty color too. It goes away, although you are right to be vigilant and look for the elevated temperatures that you are keeping track of.