newtest3 The thing that cause Back pain and vomitting is encephalitis,lung and kidney infection.
Any extreme pain can cause vomiting. Extreme sustained pain like broken bones etc.I have had first hand experience to know an abscess can cause vomiting.
It could be anything from appendicitis, a urinary tract infection (UTI), or just constipation. Head to the ER if the pain gets worse or you start vomiting. Otherwise, just schedule an appointment.
this is not answer still seeking answermany but drug withdraw can cause this.
neck pain from vomiting
If you are purging, the strain of vomiting could be the cause.
AIDS
Yes.
Symptoms of gallbladder disease include inflammation, vomiting, gas, upper abdominal pain, shoulder and back pain, dizziness and pain when taking deep breaths.
Common causes of back pain when raising your leg include muscle strain, herniated disc, sciatica, and spinal stenosis.
Liver
Ankylosing spondylitis is a form of arthritis that causes chronic pain in the back.
One can find information about the causes of lower back pain from the following sites; Chronic pain site, WebMD, Mayo clinic, Bupa, Health guide, and NHS.