Sacroiliac Joint Pain


Your sacroiliac joints (we call them the “SI” joints) are the places where your hips meet your spine. These joints don’t have a lot of flexibility, but they do move slightly as you move your body. And if SI joints become damaged or diseased, it can be painful.


SI joints hurt when tiny nerves in the joints become
irritated. That happens if your joint is damaged in a
traumatic injury. It can happen if you have arthritis,
which causes the joints to break down over time as
you age. You can also feel pain in the SI joints if the
supporting ligaments become irritated. That
happens if you walk with a limp or have some other
issue that places more stress on one hip than the

SI joint pain starts in your lower back and buttock. It
can radiate to your hip, groin and thigh. Your leg
may feel weak. It may feel numb or tingly. You may
notice SI joint pain when you are sitting or lying
down. You may also notice it when you are walking
or climbing stairs, or when you try to stand up after
sitting. Usually, SI joint pain is felt only on one side.
But if both joints are affected, you may feel pain on
both sides.

Treatment depends on the cause of your pain. You
may benefit from physical therapy, or from
injections of medicine into your joint. You may
benefit from a procedure called “radiofrequency
ablation.” It uses electricity to destroy the painful
nerve endings in your joint. If these aren’t helpful,
you may need surgery to stabilize your joint. Your
healthcare provider can create a plan that’s right for