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Understanding Kidney Infection Symptoms: An Overview

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Fever, chills, back discomfort, frequent urination, pain when urinating, smelly urine, nausea, and vomiting are the most typical signs of a kidney infection.

Written by

Dr. Kinjal Shah

Medically reviewed by

Dr. Yash Kathuria

Published At December 29, 2023
Reviewed AtDecember 29, 2023

Introduction

Pyelonephritis, another name for kidney infections, may be a painful and significant health issue. If these infections are not treated right away, serious health problems may result. The extraordinary organs known as the kidneys are essential to preserving the body's general health and well-being. Understanding how kidney infections can impair these important functions requires an understanding of how they work. The structure of the kidneys, their main physiological activities, and the significance of kidney health are all covered in this section. Urinary tract problems, especially untreated or improperly treated urinary tract infections (UTIs), may lead to kidney infections. The causes and risk factors for kidney infections will be discussed in this section.

What Are the Symptoms of Kidney Infections?

Pyelonephritis, or kidney infections, are significant medical conditions that, if untreated, can have major side effects. For an early diagnosis and quick treatment of a kidney infection, understanding the symptoms is essential. The specific signs of kidney infections are listed below:

  • High Fever: A kidney infection is characterized by a high temperature, which frequently exceeds 101 degrees Fahrenheit (38.3 degrees Celsius). Typically, this fever is accompanied by shaking and chills. It shows that the kidneys have become infected after spreading from the urinary system.

  • Back and Flank Pain: Kidney infections can cause terrible lower back pain, especially on one or both sides. From little discomfort to severe, acute, and chronic pain are all possible outcomes. Usually, it happens on the side of the body where the affected kidney resides.

  • Urinary Symptoms: Kidney infections are frequently accompanied by a variety of urine symptoms, which may include:

  1. Frequent Urination: An intense need to urinate more frequently than normal.

  2. Urge to Urinate: A sudden, intense urge to urinate.

  3. Painful Urination: A burning or uncomfortable feeling when urinating.

  4. Hematuria (Blood in Urine): Blood in the urine, or hematuria, is the condition when there is blood in the urine, giving it a pink, red, or brownish color.

  • Vomiting and Nausea: Nausea and vomiting are frequent side effects of kidney infections, particularly as the illness worsens. These symptoms have a number of underlying reasons and may be quite unpleasant.

  1. Toxins Released by Bacteria: When bacteria from the urinary tract invade the kidneys, they can cause toxins to be released that can aggravate the gastrointestinal tract. This inflammation may cause nausea or, in more extreme situations, vomiting.

  2. Dehydration: As the body tries to fight off the infection, kidney infections can cause fever and excessive urine. Dehydration may result from this, and dehydration can cause nausea and vomiting. The weakness and exhaustion that are frequently associated with kidney infections are exacerbated by dehydration.

  3. Systemic Inflammation: The body may experience a rise in systemic inflammation as a reaction to the illness. Several systems, including the gastrointestinal tract, may be impacted by this inflammation, which may result in nausea and vomiting.

  4. Medication Side Effects: When antibiotics or other drugs are administered to treat a kidney infection, gastrointestinal side effects, including nausea and vomiting, are occasionally experienced.

Those who have kidney infections need to have their vomiting and nausea controlled since these symptoms can worsen dehydration and weaken the body even more. These symptoms can be lessened by being well hydrated and, if needed, by visiting a doctor for anti-nausea medicine.

  • Fatigue and Weakness: Extreme weariness and weakness are frequent side effects of kidney infections. As the body is working so hard to fight the illness, patients may feel worn out and unable to go about their usual routines.

  • Urine That Is Cloudy or Has a Bad Smell: A kidney infection can change how urine looks and smells. Due to the presence of infection-related chemicals, urine may appear hazy or smell bad.

  • Abdominal Pain: While lower back or flank pain is frequently the main area of discomfort in kidney infections, some people may also have lower abdomen pain. This stomach discomfort may be diffuse and occasionally confused with other gastrointestinal conditions. It is crucial to remember that lower back and lower abdomen discomfort can both be very strong signs of a kidney infection, especially when they are present together with other symptoms.

  • Confusion and Mental Modifications: Kidney infections that are serious enough may spread to the central nervous system. This may result in several types of mental modifications, disorientation, or changed awareness. When the neurological system is involved, symptoms including confusion, difficulties concentrating, and, in rare cases, even hallucinations might occur. These unsettling mental changes are a sign of a serious infection that may be life-threatening and requires urgent medical care. To avoid future difficulties in these situations, it is essential to seek quick medical attention.

The severity of kidney infections might vary from person to person, and this has to be emphasized. Some people could have all of these symptoms, while others might just have a portion of them. Additionally, people who have specific risk factors, such as pregnancy, diabetes, or illnesses that damage their immune systems, might present with distinct or more severe symptoms. To guarantee appropriate treatment, lower the risk of complications, and promote a full recovery, it is imperative to promptly recognize these symptoms and seek medical help. Early identification is essential for the care of kidney infections since, if neglected, they can have catastrophic implications.

How to Prevent Kidney Infections and Their Symptoms?

Prevention is always preferable to treatment. Here are some recommendations and techniques for avoiding kidney infections:

  • Keep Hydrated: Drink plenty of water to help the urinary tract's germs be flushed out. A vital component of urinary health is adequate water.

  • Urinate Regularly: Regular urination is important since keeping pee in for a long time might encourage the growth of microorganisms. When a person urinates, one must make sure the bladder is entirely empty.

  • Good Hygiene: Maintaining good hygiene involves constantly wiping from front to back after using the restroom to stop bacteria from the anal region from entering the urethra. Moreover, maintain adequate genital hygiene.

  • Empty the Bladder Prior to and Following Sexual Activity: Urinating prior to and following sexual activity might aid in clearing any possible bacteria that may have entered the urethra.

  • Avoid Irritants: Limit the use of irritating feminine products, and choose ventilated pants to reduce irritants. These actions can lessen the chance of illness.

Conclusion

It is crucial to recognize symptoms since effective management of kidney infections depends on early diagnosis and timely treatment. Complications, such as the development of infection, renal damage, and, in extreme cases, sepsis, can result from delayed or insufficient treatment. It is critical to get medical help right away if one thinks they may have a kidney infection based on these symptoms. To aid in the recovery and stop additional health problems, the healthcare provider can carry out the required tests and prescribe the proper remedies.

Dr. Yash Kathuria
Dr. Yash Kathuria

Family Physician

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frequent urinationkidney disorders
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