A kidney infection is a bacterial infection that affects one or both kidneys. It can be a serious condition if left untreated. It can also cause permanent damage to the kidneys.

The infection usually starts in the bladder or the urethra, and it spreads to the kidneys. Anyone can get a kidney infection, but women are more likely to get it than men. There are certain signs and symptoms that indicate the presence of a kidney infection.

It is essential to recognize these signs so that you can seek medical care at the earliest.

1. Pain in the Back, Side, or Groin

The most common sign of a kidney infection is pain in the back, side, or groin. The pain can be dull or severe. It usually starts on one side and spreads to the other side. The pain can be constant or come and go.

It may be accompanied by a fever, chills, or sweats. You should see a doctor if the pain is severe or persistent.

2. Urinary Symptoms

Kidney infections can cause a variety of urinary symptoms. You may experience frequent urination, pain or burning during urination, or the urge to urinate even when your bladder is empty. You may also notice blood in your urine or a strong odor.

These symptoms can be uncomfortable and distressing. You should see a doctor if you experience any of these symptoms.

3. Nausea and Vomiting

Kidney infections can cause nausea and vomiting. These symptoms are more common in children than in adults. You may also feel dizzy or lightheaded.

You should seek medical care if you experience nausea or vomiting, especially if you are unable to keep food or fluids down.

4. Fatigue and Weakness

Kidney infections can cause fatigue and weakness. You may feel tired or lethargic, even if you have had enough sleep. You may also experience muscle weakness or difficulty concentrating.

These symptoms can affect your quality of life and make it difficult to perform daily activities. You should see a doctor if you experience fatigue or weakness that does not go away with rest.

5. Fever and Chills

Kidney infections can cause a fever and chills. Your body temperature may rise above 101 degrees Fahrenheit. You may also experience shivering or shaking. These symptoms are a sign that your body is fighting an infection.

You should see a doctor if you experience a fever or chills.

6. Confusion and Delirium

In severe cases, kidney infections can cause confusion and delirium. You may become disoriented or have trouble concentrating. You may also experience hallucinations or agitation. These symptoms are a sign that your infection has spread to your bloodstream.

You should seek medical care immediately if you experience confusion or delirium.

7. Skin Rash

Kidney infections can cause a skin rash. The rash may be itchy or painful. It may also be accompanied by redness or swelling. If you notice a rash on your skin, you should see a doctor.

8. Abdominal Pain

Kidney infections can cause abdominal pain. The pain may be dull or sharp and may be accompanied by bloating or cramps. You may also experience nausea or vomiting. These symptoms can be a sign that your infection has spread to your digestive system.

You should see a doctor if you experience abdominal pain.

9. Cloudy or Foul Smelling Urine

Kidney infections can cause your urine to be cloudy or foul-smelling. This is a sign that there is an infection present. You should see a doctor if you notice a change in the appearance or smell of your urine.

10. Painful Menstruation

Kidney infections can cause painful menstruation. You may experience cramps, bloating, or heavy bleeding. These symptoms can be confusing and may be mistaken for menstrual pain.

If you experience painful menstruation, you should see a doctor to rule out kidney infection.