Feeling of cold / burning sensation

Though nothing does a special thing, is there the person with having experienced that you can write it to buttocks and a thigh, the foot and feel a strange sense, sense of incongruity?
If it is a pain to feel, you think that you are easy to notice one's body, the part where the symptom appears in particular immediately when abnormality is up.
However, you are hard to suppose it very much if it is not a pain including feeling of cold and the burning sensation, and it is almost sense of incongruity on earth what causes it.
It may be sciatic neuralgia if feeling of cold and burning sensation be drawn to buttocks and a leg, and it feels a feeling or a feeling of clamping.
Of course the cause may be other diseases, but it will be natural to think about without being rich that perhaps the paresthesia have a disorder to the body, the nervous system.
Is sciatic neuralgia; if think that cannot know it, at first let's have an examination at a hospital.
Because you have you examine a state / the function of the nervous system about organ of locomotion, as for going, it is in orthopedics.
Though it was improved in the case of the sciatic neuralgia a little when you rest quietly in bed after a symptom came out, it may be difficult a little, but recommends early consultation in a timing to go to the hospital if you begin to move again because a symptom tends to have come out to prevent the early detection of the cause, aggravation.