Left Flank Pain: When to See a Urologist or Gynecologist - Urology

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Left lower back pain?


Hello, doctor.
I would like to inquire about my left lower back pain.
Yesterday (03/11) morning, I experienced pain on the left side of my lower back, which was severe enough to make me walk slowly, but I could still walk.
The pain lasted all day, but this morning it has improved significantly.
I was planning to see a doctor today if the pain was still severe upon waking up.
Should I see a doctor or not?
Additionally, on 03/09, I intended to visit a gynecologist, but the clinic was closed for the holiday, so I planned to wait for the next available appointment.
I noticed a large amount of discharge when using the restroom, resembling thick phlegm (in color and consistency), and I have been experiencing itching in the genital area, which I found online may indicate some kind of infection.
Then, yesterday, I developed the unilateral lower back pain.

For your information, I have not been holding my urine, and there has been no sexual activity.
I might have consumed less than 3000cc of water.
If I need to see a doctor, should I go to a urologist, gynecologist, or nephrologist? Thank you, doctor.

Ling Er, 20~29 year old female. Ask Date: 2024/03/12

Dr. Du Shixi reply Urology


Hello: It is recommended to first check for gynecological causes due to the discharge.
If an infection is present, it could have significant implications.
If there are no gynecological issues, then consult a urologist.
In the meantime, drink plenty of water and maintain good hygiene.
If you develop a fever, be sure to seek medical attention.
Wishing you good health.

Reply Date: 2024/03/12

More Info


When it comes to left flank pain, especially when accompanied by other symptoms such as unusual vaginal discharge and itching, it is essential to consider a range of potential causes and the appropriate specialists to consult. Given your description of the pain being unilateral (on one side) and the associated symptoms, it is advisable to approach this situation methodically.


Understanding Left Flank Pain
Left flank pain can arise from various sources, including musculoskeletal issues, kidney problems, or gynecological conditions. The fact that your pain is localized to one side could suggest a few possibilities:
1. Musculoskeletal Issues: This could be due to muscle strain or injury, especially if you have engaged in any physical activity that might have led to overexertion. Pain from muscle strain typically improves with rest and may be exacerbated by movement.

2. Renal Issues: Conditions such as kidney stones or infections (pyelonephritis) can cause significant flank pain. Symptoms might include pain that radiates to the lower abdomen or groin, changes in urination, or systemic symptoms like fever.

3. Gynecological Conditions: Given your history and the symptoms of unusual discharge and itching, it is also possible that the pain could be related to a gynecological issue, such as an ovarian cyst, endometriosis, or pelvic inflammatory disease (PID). These conditions can cause referred pain to the flank area.


When to See a Specialist
Given the complexity of your symptoms, it is prudent to consult a healthcare provider. Here’s how to decide which specialist to see:
- Urologist: If your flank pain is severe, associated with changes in urination (e.g., frequency, urgency, or pain during urination), or if you suspect a kidney issue, a urologist would be the appropriate specialist. They can perform tests such as urinalysis, imaging studies (like ultrasound or CT scans), and other evaluations to assess kidney function and rule out stones or infections.

- Gynecologist: If your primary concern is the unusual discharge and itching, along with the flank pain, a gynecologist should be consulted. They can perform a pelvic examination, take cultures to identify any infections, and assess for conditions like endometriosis or ovarian cysts that could be contributing to your symptoms.

- Primary Care Physician: If you are unsure, starting with your primary care physician can be beneficial. They can evaluate your symptoms, perform initial tests, and refer you to the appropriate specialist based on their findings.


Additional Considerations
- Monitoring Symptoms: Since you mentioned that the pain improved significantly the next day, it may indicate a transient issue, but it is essential to monitor for any recurrence or worsening of symptoms. If the pain returns or if you develop additional symptoms (such as fever, chills, or significant changes in discharge), seek medical attention promptly.

- Hydration: You noted that you might not be drinking enough water. Adequate hydration is crucial for kidney health and can help prevent urinary tract infections and kidney stones.

- Self-Care: While waiting for your appointment, consider rest, hydration, and over-the-counter pain relief if necessary. However, avoid self-diagnosing or treating without professional guidance, especially given the potential for underlying conditions.

In conclusion, your symptoms warrant a thorough evaluation to determine the underlying cause of your left flank pain and associated symptoms. Depending on your primary concerns, you can choose to see a urologist or gynecologist, or start with a primary care physician for a comprehensive assessment.

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