Left flank pain: causes and remedies

Left flank pain: causes and remedies

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The pain in the left side it is often a condition that generates a lot of concern, especially if it arises quickly and drastically. However, most of the pains in the left side they resolve with little or no treatment - it's still important to control other symptoms and know when to see your doctor.

For example, it is good to remember that pain in the left side can be caused by:

  • kidneys;
  • muscle or spine injuries;
  • neuropathy;
  • joint conditions or arthritis;
  • rib injuries;
  • problems with the pancreas or gallbladder;
  • digestive problems (stomach and intestines).

Let's take a closer look at some of the potential causes, referring - of course - to your doctor for further information.


Not drinking enough water can cause pain in one or both hips. A severe or chronic dehydration is in fact able to accumulate waste in the kidneys, causing symptoms such as pain or discomfort in the lateral or dorsal part, tiredness or fatigue, difficulty concentrating. To treat this problem, it is enough to get into the habit of drinking plenty of water and, thus, to stay hydrated. In addition to drinking more fluids, you can eat foods rich in water such as fresh fruit and vegetables. Keep in mind that the amount of water needed depends on age, climate, diet and other factors - check the color of your urine to see if you are hydrated or not, because dark yellow urine means you probably have need more water.

Read also: Swimming and back pain, benefits and tips


Infections are a common cause of kidney pain. A urinary tract infection (UTI) occurs in the bladder or urethra (the channel that carries urine from the bladder to the outside of the body), and can depend on the action of some bacteria. If left kidney pain is due to an infection, you may have symptoms such as pain in the back, side, stomach or groin, fever or chills, nausea or vomiting, frequent urination, blood or pus in the urine. See your doctor right away if you notice any of these symptoms. Prompt treatment is indeed very important in case of kidney infection.

Kidney stones

Kidney stones are small hard crystals that accumulate inside the kidneys, generally based on minerals such as calcium. A kidney stone can cause pain when it moves or is passed out of the body in the urine. Often the symptoms are very similar to those of the infection we have just talked about. Remember that kidney stones can be very painful, but they are usually not harmful. Most kidney stones need minor treatment with pain medication. Drinking plenty of water will help get them through.

There renella it is a kind of little sand made up of small sandy or granular crystals. It is often asymptomatic or has a much less intense discomfort than that caused by stones. Grain is treated by prescribing an adequate diet that limits potentially harmful foods to those predisposed to this disorder. The diet also includes the intake of at least 2 liters of water per day, which can be increased in the hottest periods of the year or as a result of intense sports activities.

Kidney cysts

A cyst is a buildup of fluid. Normally non-cancerous and symptom-free, they can sometimes be felt if they are too large. They can also cause problems if they become infected or burst. Symptoms, if they occur, include fever, sharp pains in the sides or back, upper stomach pain. As for the treatment, the doctor may recommend a special procedure to remove it, with the use of a long and thin needle that will drain it, under local or general anesthesia. Later, you will probably need to take a dose of antibiotics to prevent an infection.

Polycystic kidney disease

Polycystic kidney disease is a disease that occurs when there are many cysts in one or both kidneys. This disease can also be serious and manifests itself as side or back pain, frequent kidney infections, bloating in the stomach, high blood pressure, "fluttering" heartbeat. High blood pressure is the most common sign of polycystic kidney disease. If left untreated, high blood pressure can worsen kidney damage. There is no specific cure for polycystic kidney disease, and treatment includes controlling blood pressure with drugs and diet. You may also need antibiotics if you have a bladder or kidney infection, to help prevent further kidney damage.


One type of inflammation in the left flank, renal, is glomerulonephritis. It can be caused by other chronic conditions such as diabetes and lupus. Severe or long-term inflammation can cause kidney damage. Treatment of kidney inflammation obviously depends on the cause. For example, if you have diabetes, it is good to control blood sugar levels with drugs and diet can help defeat inflammation. If the kidneys are very inflamed, the doctor may also prescribe steroid drugs.

Renal haemorrhage

A hemorrhage is a serious cause of kidney pain. A disease, injury or blow to the kidney can lead to bleeding inside the kidney. Signs and symptoms include flank and lower back pain, stomach pain and swelling, blood in the urine, nausea and vomiting. Pain relief and bed rest help heal minor kidney bleeding. In severe cases, bleeding can lead to shock - causing low blood pressure, chills, accelerating heart rate. Urgent treatment includes fluids to raise blood pressure. Surgery may be necessary to stop large renal bleeding.

However, as we have already had the opportunity to anticipate, fortunately most of the problems and pains in the left side are not so worrying, and are resolved promptly without any treatment or, at least, with a pain management drug.

However, it is essential to talk to your doctor of reference to ascertain the real diagnosis of your condition and, consequently, to proceed with the identification of the best treatment for resolving the situation.

Another related article of ours that might interest you is the one dedicated to pain on the right side.

Video: Flank, Low Back and Abdominal Pain (June 2022).


  1. Zebulun

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  2. Jerel

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  3. Shaughn

    The admirable idea

  4. Byron

    There is no need to try everything

  5. Treowbrycg

    I find that you are not right. I'm sure.

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