my Grand mother 71 year old has burning sensation in the legs which gets worse when covered. what co

Brain and nerves
1

She's not on any drug. 

2

Sounds like neuropathy. 

3

Hi,  I agree with the post neuropathy. Burning can be a sign of nerve issues. I encourage you to pursue finding answers as nerve issues can progressively get worse. Best of luck!

4

I was in the exact situation as you are right now. I have been suffering from neuropathic pains for a long while now. Have you tried PeaPlex from RS4supplements?

5

I urge you to take her to a neurologist. They have the knowledge to help her find out what is going on. I have nerve damage, neuropathy and it has similar sensations. If you seek a neurologist ask about a nerve conduction test. It is best to stay on top of these issues as they can get worse and affect the quality of life. Best wishes.