I have no idea but I've just been through what you have been through and I lived off lemon & honey drinks. I can't see there being much of a difference btw lemon & lime but I don't know really is the active ingredient in lemons that helps. I also ended up putting Vicks on my feet out of sheer desperation b/c I couldn't stand it anymore & I wasn't sleeping, drank heps of water and rested as much as possible. Some essential oils in a burner may help but you'd need to check what is and isn't appropriate in pg. I hope you feel better soon.