A symptom to need to go to the hospital immediately

When they feel a pain and sense of incongruity to a symptom waist and lower limbs needing to go to the hospital immediately, do the all of you go to the hospital if a symptom becomes how terrible?
There will be the person not to go if cured immediately even if a pain comes out.
If an emergency measure is good, there is it when a pain becomes light temporarily.
However, there can be the thing that pains gradually increase when they just leave it.
In sciatic neuralgia, there are some symptoms that you must go to the hospital for immediately.
It is the main symptom of the sciatic neuralgia to feel a pain and numbness to buttocks and lower limbs, but, by the state of the cause, this pain and numbness are intense, and there is the thing that the intermittence that a walk becomes difficult has a line and an urination disorder.
For the cause why these happen, there may be a disease in not only a waist causing the sciatic neuralgia but also the internal organs in the backbone and the pelvis.
I think it to be slight sciatic neuralgia by oneself, and, in fact, it is thought that a serious disease hid.
I may suffer from suppuration characteristics spondylitis father disease bacteria are infected with the backbone in the case that a pain adds to even if quiet, and to be generated.
I am afraid of the thing called the self-judgment in the disease.
When I lie, and a symptom is not relieved even if I rest quietly in bed no matter how much, I inspect it immediately at a hospital, and let's find a right cause and cure.