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What is a kidney infection?

Kidney infection is the presence or invasion of the kidneys by bacteria, which begins in the urinary bladder and spreads to the kidneys. It is also referred to as pyelonephritis.

What are its main signs and symptoms?

Kidney infections are common, and the following typical symptoms are observed:

What are the main causes?

Kidney infections are typically caused by bacteria and rarely, occur after kidney surgery. The risk of infection is more in women than men, as the anus and the urethral opening are located closer to each other, making it easier for the bacteria to reach the bladder. Pregnant women are at an increased risk, as the baby puts pressure on the ureter and blocks the flow of the urine. The main causes of kidney infections are as follows:

  • Kidney stone in the urinary tract.
  • Enlarged prostate or its infection.
  • A structural problem like a pinched urethra or ureters.
  • Reflux, where urine backflows from the bladder to the kidneys.
  • Incomplete emptying of the bladder.
  • Weakened immune system.
  • Nerve damage in the bladder.
  • Using a urinary catheter.

The commonest bacterium that causes kidney infections is E. coli.

How is it diagnosed and treated?

Timely diagnosis and treatment of kidney infection are necessary, as it can be life-threatening if delayed.

  • Urine examination to detect pus, blood and bacteria.
  • Urine culture to know the type of bacteria.
  • Ultrasound and CT scan to check for stones or structural abnormalities.
  • Voiding cystourethrogram to rule out any blockages.
  • DMSA (dimercaptosuccinic acid) scintigraphy to check the structure, morphology and function of the urinary system.

The following treatment regimen is suggested for a kidney infection:

  • Oral antibiotics to control the bacterial infection and antipyretics to control fever. In case of severe infection, hospitalisation is necessary for the administration of intravenous (into the vein) antibiotics and fluids.
  • For frequent infections, it is advisable to consult a urologist to find the underlying cause.
  • Surgery may be suggested to correct a structural abnormality.

You can avoid kidney infections by following some healthy habits like drinking lots of water, avoiding deodorants on genitals, wiping from front to back after each bowel emptying and urinating as soon as you have the urge. In case the symptoms arise, it is best to consult your doctor promptly to avoid complications.

  1. Medicines for Kidney Infection
  2. Doctors for Kidney Infection
Dr. Vijay Kher

Dr. Vijay Kher

गुर्दे की कार्यवाही और रोगों का विज्ञान

Dr. Shyam Bihari Bansal

Dr. Shyam Bihari Bansal

गुर्दे की कार्यवाही और रोगों का विज्ञान

Dr. Pranaw Kumar Jha

Dr. Pranaw Kumar Jha

गुर्दे की कार्यवाही और रोगों का विज्ञान

Medicines for Kidney Infection

Medicines listed below are available for Kidney Infection. Please note that you should not take any medicines without doctor consultation. Taking any medicine without doctor's consultation can cause serious problems.

Medicine NamePack SizePrice (Rs.)
CeftasCEFTAS 400MG TABLET 10S195
Rite O Cef CvRite O Cef Cv 200 Mg/125 Mg Tablet216
Gramocef CvGramocef Cv 200 Mg/125 Mg Tablet236
Ritolide 250 Mg TabletRitolide 250 Mg Tablet168
PhexinPhexin 125 Mg Dry Syrup76
RevobactoRevobacto 200 Mg/200 Mg Tablet156
PidPid 200 Mg Tablet72
TraxofTraxof 100 Mg/100 Mg Tablet Dt52
Qucef (Dr Cure)Qucef 200 Mg Tablet Dt93
Vicocef OVicocef O Tablet159
Lotepred TLotepred T Eye Drop122
QuixQuix 1000 Mg Injection51
Vilcocef OVilcocef O Tablet79
LotetobLotetob 0.3/0.5% Eye Drops76
Quix CdQuix Cd 100 Mg Tablet43
Zeefix OxZeefix Ox Tablet96
TobaflamTobaflam Eye Drop129
RaximRaxim 250 Mg Tablet230
R CefiR Cefi 100 Mg Tablet100

Do you or anyone in your family have this disease? Please do a survey and help others


  1. National Institute of Diabetes and Digestive and Kidney Diseases [internet]: US Department of Health and Human Services; Kidney Infection (Pyelonephritis)
  2. Science Direct (Elsevier) [Internet]; Prevention and treatment of complicated urinary tract infection Volume 27, Issue 4, December 2016, Pages 186-189
  3. Leelavathi Venkatesh et al. Acute Pyelonephritis - Correlation of Clinical Parameter with Radiological Imaging Abnormalities. J Clin Diagn Res. 2017 Jun; 11(6): TC15–TC18. PMID: 28764263
  4. Petra Lüthje, Annelie Brauner. Novel Strategies in the Prevention and Treatment of Urinary Tract Infections. Pathogens. 2016 Mar; 5(1): 13. PMID: 26828523
  5. Kunin CM. Does kidney infection cause renal failure? Kunin CM.. Annu Rev Med. 1985;36:165-76. PMID: 3888049

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