If the pain is persistent and severe, yes, I would go to the ER.
Which part of the lower body?; the legs or the back or the belly? it could be a number of things. if a person is having sharp pains after sex, that person should immediately go to the emergency room or to the doctor.
You are maybe having urinary tract infection.
Falling on an icepick or being shot or appendicitis
appendicitis
Laying on the side works best, but honestly lower back AND abdominal pain could be something serious, like a herniated disc, tumor or a kidney infection and should be checked out ASAP if you don't already know the cause.
See a doctor. Do not rely on public opinion for your health.
Call the doctor who treated you. Or call your regular doctor. Call right now, tonight.
Yeast infections typically do not cause lower abdominal pain. Lower abdominal pain may be a sign of a different condition such as a urinary tract infection or pelvic inflammatory disease. If you are experiencing lower abdominal pain, it is important to consult with a healthcare provider for proper diagnosis and treatment.
The most common cause of lower abdominal pain is kidney stones; always check for that first. But many things can cause abdominal pain. If it persists, see your doctor.
Go to a doctor and they will be able to prescribe something.
There are so many causes of abdominal and back pains it is impossible to say. You need to see a doctor. If you have not yet missed a period, that may be why the test is negative.
kick in your lower adodiminal