Several different problems can cause lower back pain on the right side. Up to date guidelines advise that lower back problems are grouped into one of three categories 1.
In my experience non-specific lower back problems are usually the main culprit. This diagnosis describes many different back problems, none of which are serious but all of them can cause you to have quite nasty or severe lower back pain.
Check the human spine anatomy section on this site and you will see that your spine is made up of large bones called vertebra that overlap each other to form a pair of joints at the back. These joints are called facet joints and they allow movement in the lower back. They are like finger joints in a way, they allow gliding and sliding and let us move in all directions. Each joint is surrounded by ligaments and by supportive muscles. It’s very common for us to strain or stress one of these joints which can lead to lower back pain on the right or left side.
If we subject our lower back to too much stress and strain eventually it becomes sore. The stress and strain can be caused by sudden, unexpected movements but most commonly it is a prolonged slower stresses that cause the problem, such as sitting in a poor posture for a long time for example. If a joint becomes stressed or strained often the muscles surrounding it will tighten up to give it a bit more support, this can lead to back muscle spasm which in turn is painful. There are many back muscles that can be affected by this, the erector spinae in particular.
The research base is developing rapidly and we are learning more and more about spinal disc degeneration. These changes can occur in quite young people and are not limited just to older people. As the disc becomes degenerate it dehydrates and can’t offer the same degree of support and control that it used to. This in turn leads to increased stress on the facet joints, ligaments and protective back muscle spasm can then occur. Ne29-Jul-2017inful, a normal disc has little nerve supply but a degenerate disc develops extra sensory nerves which can contribute to symptoms. Facet joint problems can occur as a result of degenerative disc disease and can cause lower back pain on the right or left side.
Although less common there are a significant number of people who struggle with this condition. It mostly affects women, especially those who have had children. It can be caused by trauma, childbirth or inflammation from diseases such as ankylosing spondylitis. You can find more information in the causes of back pain section on this website.
Less common causes of right side lower back pain that need to be ruled out are serious problems such as cancer ,infections, fractures and inflammatory joint problems such as ankylosing spondylitis. Your doctor will be able to rule out any of these serious back problems.
Obviously treatment for this lower back symptom is dependent on knowing what the actual diagnosis is. For this you will need to see a doctor or other health care professional. Assuming you are happy that your problem is the non-serious non-specific type then you will find helpful suggestions for managing it in the treatment sections of this web site.
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1. National Institute for Health and Clinical Excellence Back pain - low (without radiculopathy) - Management. Clinical Knowledge Summary. Nov, (2009).