The two most likely causes are either a heart attack or a degenerate intervertebral disc.
Type of pain, duration, does it get better with rest? Does it get worse when you go to bed? ANYTIME you have CP with radiating left arm pain--go to the ER.
Liver
neck and left arm aches related to angina ,
Back pain is proably not a heart attack. Symptoms of a heart attack are chest pain usually radiating to the neck or left shoulder, shortness of breath, nausea, vomiting, palpitatins, sweating and anxiety.
a kidney stone.
usally a disc in your back
Yes, lower back pain is quite typical during a flare up of Crohns disease. Pain radiating from front to back just over the hips is common.
appendix or kidney infection.
Sounds like a heart attack. Go to the doctor.
You could have a slipt disc in your lower back, they are very painful.
I think any pain in ”any hand” causes pain in both hands.
Call 911. This is a symptom of a serious cardiovascular problem.