Touch sensitivity and can't sleep? That much pain scares me. I have seen cases of Complex Regional Pain syndrome (CRPS) develop that way. The usual treatment - even when there is a fracture - is to give cortisone - prednisone
http://downloads.hindawi.com/journal...16/7019196.pdf

There will be some tender skin nerve tracts as well and injection D5W (dextrose 5%) along nerve tracts repeatedly would desensitize them - written up for achilles tendonitis:
Lyftogt J. Subcutaneous prolotherapy for achilles tendinopathy:The best solution? Aust Musculoskeletal
Med 2007;12(2):107–9.
http://www.lyftogtmed.com/assets/Upl...-pp-107-09.pdf

and more recently for CRPS:
Pain Med. 2017 Apr 26. doi: 10.1093/pm/pnx063.
Perineural Injection Therapy in the Management of Complex Regional Pain Syndrome:
A Sweet Solution to Pain.
Thor JA, Mohamed Hanapi NH, Halil H(1), Suhaimi A
(letter - no abstract)

Odd as this might sound, I have seen a dropped cuboid present with neuropathic pain radiating up leg but lateral ankle should be sore too.
Examination and Treatment of Cuboid Syndrome