7 main symptoms of kidney stones

Kidney stone symptoms arise suddenly when the stone is very large and gets stuck in the kidney, when it begins to move down the ureter, which is a very tight channel to the bladder, or when it encourages an infection. In the presence of a kidney stone, the person usually feels a lot of pain in the lower back that can cause difficulty in moving around.

Kidney stones can vary over time, especially with regard to the location and intensity of the pain, but small stones usually do not cause problems and are often only discovered during urine tests, ultrasound, or X-ray, for example.

Main symptoms
So, when a person feels difficulty lying down and resting due to severe back pain, nausea, or pain to urinate, it is possible that he or she has kidney stone. Find out if you may have a kidney stone by taking the following test:

  1. Severe pain in the lower back, which can limit movement
  2. Pain radiating from your back to your groin
  3. Pain when urinating
  4. Pink, red, or brown urine
  5. Frequent urge to urinate
  6. Sickness or vomiting
  7. Fever over 38º C


The location and intensity of the pain can vary according to the movement of the stone within the body, and is most intense when it travels through the ureter into the bladder, to be eliminated along with the urine.

In cases of intense pain that does not go away, fever, vomiting, blood in the urine, or difficulty urinating, one should seek a doctor so that the risk of associated urinary infection can be evaluated, tests can be done, and treatment can be started quickly.

Check the main tests indicated to confirm the kidney stone.

Why does the pain usually come back?
After a crisis, it is common to feel pressure, slight pain, or burning when urinating, symptoms that are related to the release of the remaining stones that the person may have, and the pain may return with each new attempt of the body to expel the stones.

In these cases, one should drink at least 2 liters of water a day and take medicines that relieve pain and relax the muscles, such as Buscopan, prescribed by the doctor during the previous crisis. However, if the pain gets stronger or lasts longer than 2 hours, you should return to the emergency room for further tests and treatment can be started.

Learn about other ways to relieve back pain according to its cause.

Treatment for kidney stones
The treatment during a kidney stone crisis should be indicated by a urologist or a general practitioner and is usually done through the use of painkillers, such as Dipyrone or Paracetamol, and antispasmodic drugs, such as Scopolamine. When the pain intensifies or does not go away, the person must seek emergency care to take intravenous medication, and after a few hours, when the pain improves, the patient is discharged.

At home, the treatment can be maintained with oral painkillers, such as Paracetamol, rest, and hydration with about 2 liters of water a day, to facilitate the stone’s exit.

In the most severe cases, in which the stone is too large to come out on its own, surgery or laser treatment may be required to facilitate its exit. However, during pregnancy, the treatment should be done only with painkillers and medical follow-up. See all types of treatment for kidney stones.

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