Kidney Infection

11 min read

A kidney infection, also known as pyelonephritis, is a type of urinary tract infection (UTI) that affects one or both kidneys. It is caused by bacteria that travel up the urethra and into the bladder, where they multiply and spread to the kidneys. Kidney infections can be serious if left untreated, as the bacteria can spread to the bloodstream and cause a life-threatening infection.

Causes of Kidney Infection

Kidney infections are usually caused by bacteria that enter the urinary tract through the urethra. These bacteria can come from the skin around the urethra, the rectum, or from sexual intercourse. Other risk factors for kidney infections include a weakened immune system, a blockage in the urinary tract, or a structural abnormality in the urinary tract.

Diagnosis of Kidney Infection

A doctor will typically diagnose a kidney infection based on a physical exam, a urine sample, and other tests. The urine sample will be tested for the presence of bacteria, white blood cells, and other signs of infection. Other tests may include a blood test, an ultrasound, or a CT scan.

Complications of Kidney Infection

If left untreated, a kidney infection can lead to serious complications, such as a blood infection, sepsis, or kidney damage. It can also cause long-term damage to the kidneys, such as scarring or narrowing of the ureters. In rare cases, a kidney infection can lead to kidney failure.

Take the Kidney Infection Assessment

Symptoms

Common Symptoms of a Kidney Infection

  • Pain in the lower back, side, or groin
  • Fever and chills
  • Nausea and vomiting
  • Frequent, painful urination
  • Cloudy or bloody urine
  • Painful or burning sensation when urinating
  • Strong, persistent urge to urinate
  • Urine that smells bad

When to See a Doctor

If you experience any of the above symptoms, it is important to see a doctor as soon as possible. A kidney infection can lead to serious complications if left untreated. Your doctor will be able to diagnose a kidney infection and provide treatment to help you recover.

Causes

Risk Factors

There are several risk factors that can increase the likelihood of developing a kidney infection. These include:

  • Having a urinary tract obstruction, such as a kidney stone or enlarged prostate
  • Having a weakened immune system
  • Having a urinary catheter
  • Having a history of kidney infections
  • Having diabetes
  • Being pregnant

Complications

Kidney infections can lead to serious complications if left untreated. These include:

  • Blood poisoning (sepsis)
  • Kidney damage
  • Kidney failure
  • Spread of infection to other organs

Prevention

There are several steps you can take to reduce your risk of developing a kidney infection. These include:

  • Drinking plenty of fluids to help flush bacteria out of the urinary tract
  • Urinating frequently to help keep the bladder empty
  • Wiping from front to back after using the bathroom to help prevent bacteria from entering the urinary tract
  • Avoiding holding in urine for long periods of time
  • Avoiding using douches, perfumed soaps, and other products that can irritate the urethra
  • Wearing loose-fitting clothing and cotton underwear to help keep the area dry

Getting a Diagnosis

Physical Exam

During a physical exam, your doctor will ask about your symptoms and medical history. They may also check your abdomen for tenderness or swelling, and listen to your lungs and heart for any abnormalities.

Urine Test

A urine test is the most common way to diagnose a kidney infection. Your doctor will collect a sample of your urine and send it to a lab for testing. The lab will look for bacteria, white blood cells, and other signs of infection.

Imaging Tests

In some cases, your doctor may order imaging tests such as an ultrasound, CT scan, or MRI to get a better look at your kidneys. These tests can help your doctor determine the extent of the infection and rule out other conditions.

Treatment

Once your doctor has diagnosed a kidney infection, they will prescribe antibiotics to treat the infection. It is important to take the antibiotics as prescribed and finish the entire course of treatment. In some cases, your doctor may also recommend pain relievers or other medications to help relieve your symptoms.

Questions for Your Doctor

Symptoms

Be sure to tell your doctor about any symptoms you are experiencing, such as pain in your side or back, fever, chills, nausea, vomiting, or frequent urination. It is also important to mention any recent changes in your urine, such as a change in color, odor, or consistency.

Medical History

Your doctor will need to know your medical history, including any recent illnesses, surgeries, or other medical conditions. Be sure to mention any recent travel, as this can increase your risk of developing a kidney infection. Additionally, let your doctor know if you have any allergies or are taking any medications.

Risk Factors

Your doctor will also want to know if you have any risk factors for kidney infection, such as a weakened immune system, diabetes, or a history of urinary tract infections. Additionally, if you are pregnant, your doctor will need to know.

Diagnosis and Treatment

Your doctor may order tests to confirm a diagnosis of kidney infection. These tests may include a urine sample, blood tests, or imaging tests. Once a diagnosis is confirmed, your doctor will discuss treatment options with you. Treatment may include antibiotics, pain relievers, or other medications. In some cases, hospitalization may be necessary.

Follow-up Care

Your doctor will likely recommend follow-up care to ensure the infection has been completely treated. This may include additional tests or medications. Be sure to ask your doctor about any lifestyle changes you can make to reduce your risk of developing a kidney infection in the future.

Treatment

Antibiotics

Antibiotics are the main treatment for kidney infection. The type of antibiotic prescribed will depend on the type of bacteria causing the infection. Common antibiotics used to treat kidney infection include amoxicillin, ciprofloxacin, and nitrofurantoin. Antibiotics are usually taken for 7-14 days, depending on the severity of the infection.

Pain Relievers

Pain relievers such as ibuprofen or acetaminophen can be used to reduce pain and fever associated with kidney infection. It is important to take the medication as directed and not to exceed the recommended dosage.

Hospitalization

In some cases, hospitalization may be necessary to treat a kidney infection. Hospitalization may be necessary if the infection is severe, if the patient is pregnant, or if the patient has a weakened immune system. During hospitalization, the patient will be given intravenous antibiotics and fluids.

Prevention

The best way to prevent kidney infection is to practice good hygiene. This includes washing your hands regularly, urinating after intercourse, and drinking plenty of fluids. It is also important to see a doctor if you experience any symptoms of a kidney infection.

Drugs & Medications

Antibiotics

Antibiotics are the mainstay of treatment for kidney infection. Commonly prescribed antibiotics include amoxicillin, cephalosporins, and fluoroquinolones. The type of antibiotic prescribed will depend on the type of bacteria causing the infection. In some cases, a combination of antibiotics may be used.

Pain Relievers

Pain relievers such as ibuprofen or acetaminophen can be used to help relieve the pain associated with kidney infection. It is important to take these medications as directed by your doctor.

Fluids

Drinking plenty of fluids can help flush out bacteria from the kidneys. Water is the best choice, but other fluids such as cranberry juice or herbal teas can also be beneficial. It is important to drink enough fluids to prevent dehydration.

Herbal Remedies

Herbal remedies such as goldenseal, echinacea, and cranberry can be used to help treat kidney infection. These herbs can help reduce inflammation and fight off infection. It is important to talk to your doctor before taking any herbal remedies.

Surgery

In some cases, surgery may be necessary to treat kidney infection. Surgery may be used to remove a blockage or to repair damaged tissue. Surgery is usually only recommended in severe cases of kidney infection.

Conclusion

Kidney infection can be a serious condition and should be treated promptly. Treatment typically involves antibiotics, pain relievers, fluids, and in some cases, surgery. Herbal remedies may also be used to help treat the infection. It is important to talk to your doctor before taking any medications or herbal remedies.

Diet

What to Eat

When it comes to diet for kidney infection, it is important to focus on foods that are high in vitamins, minerals, and antioxidants. These foods can help reduce inflammation and support the body’s natural healing process. Some of the best foods to eat include:

  • Fruits and vegetables: Fruits and vegetables are packed with vitamins, minerals, and antioxidants. They are also low in calories and can help keep your weight in check. Aim to eat a variety of colors and types of produce each day.
  • Whole grains: Whole grains are a great source of fiber, which can help keep your digestive system running smoothly. Choose whole grain breads, pastas, and cereals over refined grains.
  • Lean proteins: Lean proteins such as fish, chicken, and beans are a great source of essential nutrients. They can also help keep you feeling full and satisfied.
  • Low-fat dairy: Low-fat dairy products such as yogurt and milk are a great source of calcium and protein. Choose low-fat or non-fat varieties to keep your calorie intake in check.

What to Avoid

When it comes to diet for kidney infection, it is important to avoid certain foods that can worsen symptoms. These include:

  • Processed foods: Processed foods are often high in sodium, sugar, and unhealthy fats. These can worsen inflammation and should be avoided.
  • Alcohol: Alcohol can worsen inflammation and should be avoided when you have a kidney infection.
  • Caffeine: Caffeine can irritate the bladder and should be avoided when you have a kidney infection.
  • Spicy foods: Spicy foods can irritate the bladder and should be avoided when you have a kidney infection.

Following a healthy diet is an important part of managing the symptoms of kidney infection. Eating a variety of fruits, vegetables, whole grains, lean proteins, and low-fat dairy can help reduce inflammation and support the body’s natural healing process. Avoiding processed foods, alcohol, caffeine, and spicy foods can also help reduce symptoms.

Lifestyle

Drink Plenty of Water

Drinking plenty of water is essential for keeping your kidneys healthy. Water helps flush out toxins and bacteria from your body, which can help reduce your risk of kidney infection. Aim to drink at least 8 glasses of water a day.

Eat a Healthy Diet

Eating a healthy diet is important for keeping your kidneys healthy. Avoid processed and sugary foods, and focus on eating plenty of fruits, vegetables, and lean proteins. Eating a balanced diet can help reduce your risk of kidney infection.

Exercise Regularly

Exercising regularly can help keep your kidneys healthy. Exercise helps flush out toxins and bacteria from your body, which can help reduce your risk of kidney infection. Aim to get at least 30 minutes of exercise a day.

Get Regular Checkups

Getting regular checkups is important for keeping your kidneys healthy. Your doctor can check for signs of infection and other health problems. Regular checkups can help you catch any problems early and reduce your risk of kidney infection.

Manage Stress

Stress can have a negative impact on your health, including your kidneys. Try to manage your stress levels by taking time for yourself, meditating, or doing activities that you enjoy. Reducing stress can help reduce your risk of kidney infection.