Sounds extreme but it's true.
Basically, on my left foot if constantly feels like I'm walking on a pebble. The pain goes from burning to feeling like it's broken in that specific area, and if radiates
I know what I think it is a GP agrees. It's Morton's neuroma.
Trouble is, he says he can't do anything other than recommend a good podiatrist because that speciality is no longer available on the NHS anymore
I could never afford what that would cost. And also, I have tried all the self help measures like cushioned, gel soles and padding, proper orthopaedic shoes
Nothing works. I am a carer for my DC and also have a daughter relying on me too. I am hobbling about constantly and I'm not even 30 yet
It's causing pain in my hips now which I'm certain is from me walking funny because I can't bear weight on it anymore properly.
I have gone from an active happy person to someone in pain 80% of the time 
I've had this for years but previously it was always just if I walked a lot one day or wore unsuitable shoes. And then it went
Now it's there constantly