Lower Back Pain Left Side

Lower back pain on the left side can be caused by many things.  However, there are some causes that are more common than others.  While there are more severe possible causes, lower back pain on the left side can be caused by common health related issues, such as pregnancy, kidney infection, and muscle spasms.  Pain during breathing can indicate severe and less severe problems.

Any time you experience pain, especially on the left side of your lower back, you should contact your doctor.  Treatment will depend on the reason.  You should never ignore your pain because it could cause serious effects. However, if you take care of it right away, it could be as simple as taking an antibiotic.

Differences in Intensity

Not all back pain is equal in intensity.  Back pain can be described as dull or sharp.  The pain lower back pain left sidecould stay in one place or be shooting pains.  Pain can be categorized into acute or chronic.  Acute pain is generally short term and stops when the problem has been taken care of.  Chronic is generally pain that continues after the problem has been taken care of.  It can last for weeks, months, or even years.  Chronic pain can be relieved for a period of time and then flare up.

The intensity of pain does not always coincide with the level of severity.  For example, sometimes a herniated disc will not cause as much pain, but can lead to a severe problem.  Therefore, just because your pain is not high on the level of intensity does not mean you should ignore it.

Common Causes

Pain during Pregnancy

During pregnancy, it is common to experience left side lower back pain.  This is due to the growth of the uterus, as well as hormonal changes.  When your uterus expands, it shifts the center of gravity of your body.  It also stretches and weakens your abdominal muscles.  This will change your body’s posture, which will then lead to strain on your lower back.

If your growing uterus presses on a nerve, this can cause pain.  Also, your joints and ligaments that attach the pelvic bone to the spine could loosen due to the hormonal changes you can experience during pregnancy causing lower back pain while you sit, stand, and walk for long periods of time.

Pain during Breathing

If you are experiencing pain when you breathe, this could be an indicator of muscular injury.  Muscle spasms can cause pain when there is sudden movement.  You could have a pulled diaphragm muscle.  This will cause pain to radiate throughout your abdomen, chest, and back.

There are more severe causes of pain during breathing, such as cardiac and/or pulmonary issues.  This is why it is critical that you contact a doctor right away if you start experiencing lower back pain.  While the pain may be caused by something simple like a muscle spasm, that same pain could be caused by cardiac problems.

Pain from Kidney Infection

A kidney infection can cause your kidney to swell, which can stretch the pain sensitive capsule around your kidney.  You could feel tenderness in the area right above your hips where your kidneys are located.   You could also experience an increase with your bladder getting full, and the pain could even travel towards your genital area, thus feeling pain and/or burning sensation during urination.  You may have a fever and see blood in your urine.  If you begin to have these symptoms, it is important to contact your doctor right away.


The treatment will depend on the cause of your lower back pain.  For example, if you have a kidney infection, then you may be prescribed an antibiotic.  If you are experiencing pain during pregnancy, your doctor may prescribe some stretches that can help to alleviate the pain.  If your pain is caused by a more serious condition, then a different treatment will be prescribed.

While rest is recommended in the first few days, it is not recommended that you rest for too long.  This can worsen your pain and slow your recovery.  Exercising is, in fact, recommended.  It can help to strengthen your back muscles, which will help them to heal properly.  Make sure you are exercising properly.  Get up and move around, but do not over exert yourself.

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