Let me start of by saying that you have to go to a doc for a difinitive answer. I'm gonna give you a diffrential diagnosis, so it can be any of these things (or even none of these since I don't have your medical history).
The area you're describing contains your kidney. You couldve even pulled a muscle and that's why it hurts.
Does it burn when you pee? What color is your pee? Do you drink enough water?
Now, if it is your kidneys. You could have pyelonephritis(kidney infection, if uve had a uti for a looong time and didn't get it treated soon. The infection couldve spread up to your kidney) or a kidney stone.
You could have a slipt disc in your lower back, they are very painful.
Back pain lower right side causes are: Lower back and kidney disorders.
appendix or kidney infection.
It is possible that pain in the lower left quadrant of your back is caused by a kidney stone, since kidneys are located on both the left and the right of the lower torso. But there are other possible causes as well. Many things can cause pain.
hip problems maybe or lower back problems go to ur local doctor and ask him or her
so yes, stress can cause lower abdominal pain on the right or the left stress caused me to have pain on the lower left abdominal it could be the stress or gas that causes the pain
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.
Liver
The symptoms you describe, including lower back pain, lower left abdominal pain, gas, and tender breasts, could be indicative of several conditions. Possible causes might include digestive issues, such as gas or bloating, or gynecological concerns, such as ovulation pain or premenstrual syndrome (PMS). If these symptoms persist or worsen, it is important to consult a healthcare professional for a proper diagnosis and treatment plan.
Pain in lower right and/or left sides.
sciatica
so yes, stress can cause lower abdominal pain on the right or the left stress caused me to have pain on the lower left abdominal it could be the stress or gas that causes the pain