Is there something that you can take or have been prescribed for this situation....the Agoraphobia?
Both Red_Star and Londres70 have provided excellent advice. There is a third possibility, though unlikely, and that involves vascular blockage. That is the bad news bears. You really need an in-person evaluation. Nerves deprived of nutrients, blood supply, or connection, sometimes atrophy and lose function. The window of opportunity to resolve such conditions without irreparable damage may be limited. These conditions cannot be evaluated within a home with the tools available to a visiting physician. As Londres70 suggested, you have to leave your home.
Sounds like a pinched nerve in my opinion.
Unfortunately, we are purely guessing what is wrong and you would have to consult a physician to sort this out which means leaving your home.
Check out wikipedia's article - "peripheral neuropathy" for various causes. This could be anything from diabetes to vitamin B12 deficiency. Maybe you can ring around to find a doctor who makes house calls.