Kidney infection (pyelonephritis) usually is caused from bacteria that have spread from the bladder from a UTI (urinary tract infection), poor hygiene, sexual intercourse, pregnancy, catheter, cystoscope exam, surgery, kidney stones, or prostate enlargement. Symptoms of kidney infection include: back pain, frequent urination, pain during urination, fever, and or pus or blood in the urine. Kidney infection is usually treated with antibiotics. Read more: Kidney Infection (Pyelonephritis) Symptoms, Signs, Causes, Treatment Article
Multimedia: Slideshows, Images & Quizzes
Bladder Infections: UTI Causes, Symptoms, Treatments
Urinary tract infections (UTI), including bladder infections, affect women and men, causing UTI symptoms like kidney infection....
Urinary Tract Infection (UTI) Symptoms, Diagnosis, Medication
Understand urinary tract infection (UTI) through pictures. Our experts describe urinary tract infection symptoms like pelvic...
Kidney Stones: Symptoms, Causes, and Treatment
What causes kidney stones? Learn to recognize the symptoms and signs of kidney stone pain. Explore kidney stone treatment and how...
Dehydration: Causes, Symptoms & Tips to Stay Hydrated
Do you know the signs of dehydration? Dehydration can cause medical complications. Learn the causes, symptoms, treatments, and...
Kidney Disease Quiz: Test Your Medical IQ
Kidney disease is common. Take this kidney disease quiz to test your knowledge and learn the symptoms, causes and types of kidney...
Urinary Tract Infection Quiz
How would you know if you had urinary tract infection (UTI)? Take the Urinary Tract Infection in Adult Quiz to learn the causes,...
Picture of Kidney Stone Crystal
Kidney stones are made of salts and minerals in the urine that stick together, creating small "pebbles" formed within the kidney...
Picture of Kidney Stone Diagnosis
The diagnosis of kidney stones is suspected by the typical pattern of symptoms when other possible causes of the abdominal or...
Picture of Kidney Stone
A stone in the kidney (or lower down in the urinary tract). See a picture of Kidney Stone and learn more about the health topic....
Picture of Kidneys
The kidneys are a pair of organs located in the back of the abdomen. See a picture of the Kidneys and learn more about the health...
Related Disease Conditions
Kidney Pain (Location, Symptoms, Relief)
Kidney pain has a variety of causes and symptoms. Infection, injury, trauma, bleeding disorders, kidney stones, and less common...
Low Blood Pressure (Hypotension)
Low blood pressure, also referred to as hypotension, is blood pressure that is so low that it causes symptoms or signs due to the...
Kidney Stones (nephrolithiasis)
Kidney stones are solid masses of crystalline material that form in the kidneys. Symptoms of kidney stones can include pain,...
Abdominal Pain (Causes, Remedies, Treatment)
Abdominal pain can have many causes that range from mild to severe. Some of these causes include bloating, gas, colitis,...
Ascites, the accumulation of fluid in the abdominal cavity is most commonly caused by cirrhosis of the liver. Some of the other...
Diabetes (Type 1 and Type 2)
Diabetes is a chronic condition characterized by high levels of sugar (glucose) in the blood. The two types of diabetes are...
Urinary Tract Infection (UTI)
A urinary tract infection (UTI) is an infection of the bladder, kidneys, ureters, or urethra. E. coli, a type of bacteria that...
E. coli (0157:H7) (Symptoms, Treatment, Prevention)
There are many types of E. coli (Escherichia coli). E. coli can cause urinary tract and bladder infections, or lead to sepsis. E...
Pregnancy (Week By Week, Trimesters)
Signs and symptoms of pregnancy vary by stage (trimester). The earliest pregnancy symptom is typically a missed period, but...
Dehydration is the excessive loss of body water. There are a number of causes of dehydration including heat exposure, prolonged...
Urinary retention (inability to urinate) may be caused by nerve disease, spinal cord injury, prostate enlargement, infection,...
Blood in Urine
Blood in the urine is termed hematuria. Hematuria, whether it be gross or microscopic, is abnormal and should be further...
Prostatitis (Inflammation of the Prostate Gland)
Prostatitis is an inflammation of the prostate gland. Signs and symptoms of prostatitis include painful or difficulty urinating,...
Hydronephrosis describes swelling of the kidney resulting from the inability of urine to drain from the kidney into the bladder....
Nausea and Vomiting (Causes, Natural Remedies, Diet, Medication)
Nausea is an uneasiness of the stomach that often precedes vomiting. Nausea and vomiting are not diseases, but they are symptoms...
Pelvic Inflammatory Disease (PID)
Pelvic inflammatory disease (PID) is the most common and serious complication of sexually transmitted diseases (STDs), aside from...
Bladder Infection (Cystitis)
Bladder infection is an infection of the bladder, usually caused by bacteria or, rarely, by Candida. Certain people, including...
CRE Infection (Carbapenem-Resistant Enterobacteriaceae)
Carbapenem-resistant Enterobacteriaceae (CRE) is a type of bacteria that is highly resistant to antibiotics. Escherichia coli (E....
Pregnancy Planning (Tips)
Pregnancy planning is an important step in preparation for starting or expanding a family. Planning for a pregnancy includes...
Is a Urinary Tract Infection (UTI) Contagious?
Bacteria such as E. coli or Pseudomonas can cause a urinary tract infection (UTI). The incubation period for a UTI ranges from...
Urinary Tract Infections in Children
Urinary tract infections (UTIs) are very common in children. Symptoms and signs include fever and abdominal pain. Associated...
Urinary Incontinence in Women
Millions of women suffer from urinary incontinence (UI). UI occurs twice as often in women as in men. There are many types of...
Symptoms of 12 Serious Diseases and Health Problems
Learn how to recognize early warning signs and symptoms of serious diseases and health problems, for example, chronic cough,...
Kidney Infection in Adults
Second Source article from Government...
Urinary Incontinence in Children
Urinary incontinence in children (enuresis) is twice as common in boys as in girls and may occur during the daytime or nighttime....
There are many types of urinary incontinence (UI), which is the accidental leakage of urine. These types include stress...
Vaginal dryness and vaginal atrophy occurs in women during perimenopause, menopause, and postmenopause. With vaginal atrophy, the...
Polycystic Kidney Disease (PKD)
Polycystic kidney disease (PKD) is characterized by numerous cysts in the kidneys. Polycystic kidney disease is a genetic...
Sex, Urinary, and Bladder Problems of Diabetes
Having diabetes can mean early onset and increased severity of bladder symptoms (urinary incontinence and urinary tract...
Pelvic Pain (in Women and Men)
Pelvic pain is described as pain, usually in the lower pelvic area. Causes of acute and chronic pelvic pain in women include...
Kidney dysplasia is a condition in which one or both of a baby's kidneys do not develop normally. In kidney dysplasia, cysts...
Sexual health information including birth control, impotence, herpes, sexually transmitted diseases, staying healthy, women's...
Pregnancy Changes and Body Discomforts
Pregnancy can bring challenges like weight gain, stretch marks, varicose veins, heartburn, constipation,...
Local ResourcesFind a local Nephrologist in your town
Treatment & Diagnosis
- Cloudy Urine
- Stomach Cramps
- Frequent Urination
- Dark Urine
- Blood in Urine
- Drainage of Pus
- Proteinuria (Protein in the Urine)
- Kidney Infection (Pyelonephritis)
- How to Choose a Doctor
- Doctor: Checklist to Take To Your Doctor's Appointment
- Doctor: Getting the Most from Your Doctor's Appointment
- Urinary Incontinence, Stress: Treatment Options
Medications & Supplements
- Cipro, Cipro XR (ciprofloxacin) Antibiotic Side Effects
- sulfamethoxazole and trimethoprim (Bactrim)
- levofloxacin (Levaquin) Side Effects and Adverse Effects
- levocarnitine (Carnitor)
- estrogens cream - vaginal
- cranberry (vaccinium macrocarpon) - oral
- conjugated estrogens vaginal cream, Premarin Vaginal Cream
- estrogens (synthetic)-vaginal cream
- Levaquin (levofloxacin) vs. Keflex (cephalexin)
Prevention & Wellness
- Are Scientists Closer to Growing Made-to-Order Kidneys?
- Flu May Be a Factor in Many Kidney Failure Deaths
- Kidney Disease More Deadly for Men
- Newer Nonstick Coating May Pose Health Threat: EPA
- Study Sees No Link Between Gout Drug, Kidney Disease
- Household Chemicals Tied to Kidney Problems
- Too Many Kidney Disease Patients in the Dark About Diet
- 850 Million People Worldwide Have Kidney Disease
- Surgeons Safely Transplant Kidneys From Donors With Hep C
- Selena Gomez Had a Kidney Transplant Earlier This Year
- Antibiotic Vabomere Approved
- FDA OKs New Antibacterial Drug
- Drug for Kidney Disease Tied to Infection Risk
- Kidney Patients Without Online Access Face Additional Burden
- Kidney Disease Can Pose Problems During Pregnancy, Study Warns
- New Antibiotic Avycaz Approved
- Urinary Tract Infection Often Puts Older Men in Hospital
- Altered Stem Cells Limit Transplant Rejection