Kidney Infection Symptoms: When to Seek Medical Advice - Urology

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Hello Doctor: A few hours ago, I sent you a message, but I forgot to mention that I read some related articles stating that if I experience chills, fever, dizziness, nausea, and pain in my lower back, it could potentially be a kidney infection! Over the past few days, I have been feeling nauseous and experiencing soreness on both sides of my lower back.
Could this indicate a possible kidney infection? My menstrual cycle started on December 13th; could this be related to my menstrual cycle? I heard from my family that a bladder infection or pelvic inflammatory disease needs to be severe enough to cause hematuria (blood in urine) to lead to a kidney infection.
Is that true? Thank you, Doctor.

Ru, 20~29 year old female. Ask Date: 2005/12/14

Dr. Lin Hexing reply Urology


Hello: The most important symptoms of pyelonephritis are flank pain and fever, while other symptoms are secondary.
If blood tests show elevated white blood cell counts, hospitalization for treatment should be considered.
MC can also cause lower abdominal pain and flank pain.
Lastly, it is not necessary to have hematuria to potentially trigger nephritis.

Reply Date: 2005/12/14

More Info


When it comes to kidney infections, also known as pyelonephritis, understanding the symptoms and knowing when to seek medical advice is crucial for effective treatment and recovery. Based on your description, you are experiencing symptoms such as nausea, back pain, and possibly fever, which can indeed indicate a kidney infection.
Kidney infections typically arise from a urinary tract infection (UTI) that has ascended to the kidneys. Common symptoms of a kidney infection include fever, chills, back pain (especially in the lower back), nausea, vomiting, and changes in urination patterns such as increased frequency or urgency. If you are experiencing these symptoms, it is essential to seek medical attention promptly.
Your mention of feeling cold, having a fever, and experiencing back pain raises a red flag. These symptoms can suggest that the infection may be affecting your kidneys. It is important to note that while menstrual cycles can cause abdominal discomfort and other symptoms, they are unlikely to directly cause a kidney infection. However, hormonal changes during your menstrual cycle can sometimes exacerbate existing conditions or make you more sensitive to pain.

Regarding your concern about whether a bladder infection or pelvic inflammatory disease (PID) could lead to a kidney infection, it is indeed possible. A bladder infection can ascend to the kidneys if left untreated. PID, which is an infection of the female reproductive organs, can also lead to complications that may affect the urinary tract. However, the presence of blood in the urine is not a prerequisite for a kidney infection; rather, it is a symptom that may indicate a more severe infection or other underlying issues.

If you are experiencing persistent symptoms such as nausea, back pain, and fever, it is advisable to seek medical attention as soon as possible. A healthcare provider may perform a physical examination, urine tests, and possibly imaging studies such as an ultrasound or CT scan to assess the kidneys and urinary tract. Early diagnosis and treatment are vital to prevent complications, such as kidney damage or sepsis, which can occur if the infection spreads.

In terms of treatment, kidney infections are typically treated with antibiotics, and the choice of antibiotic may depend on the specific bacteria causing the infection. It is crucial to complete the full course of antibiotics as prescribed, even if you start feeling better before finishing the medication. Additionally, staying well-hydrated and resting can aid in recovery.

In summary, if you are experiencing symptoms consistent with a kidney infection, it is important to seek medical advice promptly. Early intervention can lead to better outcomes and prevent potential complications. Always communicate openly with your healthcare provider about your symptoms and any concerns you may have regarding your health.

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