Possible Causes of Yellow Odorous Discharge and Back Pain in Women - Obstetrics and Gynecology

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Yellow discharge with a foul odor and a sour smell, accompanied by lower back pain?


Menstruation occurred from November 19 to November 27.
On November 27, there was unprotected sexual intercourse without ejaculation.
Following that, there was light bleeding for four consecutive days, with a faint brown color.
By December 2, there was yellow discharge that had a strong, sour odor, and there was also lower back pain.
What could be the possible symptoms in this case?

Lin, 10~19 year old female. Ask Date: 2022/12/19

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it could be inflammation.
I recommend seeing a gynecologist.
Wishing you good health.

Reply Date: 2022/12/19

More Info


The symptoms you are experiencing, including the yellow odorous discharge and back pain, can be indicative of several potential medical conditions. Given the timeline of your menstrual cycle and the nature of your symptoms, it is important to consider a few possibilities.

1. Infection: The presence of a foul-smelling yellow discharge is often associated with infections, such as bacterial vaginosis or sexually transmitted infections (STIs) like gonorrhea or chlamydia. Bacterial vaginosis, in particular, can cause a fishy odor and is characterized by an imbalance in the normal bacteria present in the vagina. STIs can also lead to similar symptoms, including discharge and pelvic pain.

2. Pelvic Inflammatory Disease (PID): If the infection spreads to the reproductive organs, it can lead to PID, which may cause lower abdominal pain, back pain, and abnormal discharge. PID is a serious condition that can have long-term consequences if not treated promptly.

3. Hormonal Imbalance: Hormonal changes can also lead to unusual discharge patterns. After menstruation, some women may experience changes in discharge due to hormonal fluctuations, which can sometimes result in a yellowish color. However, the presence of a strong odor is not typical for normal hormonal changes.

4. Cervical or Uterine Issues: Conditions such as cervicitis (inflammation of the cervix) or endometritis (inflammation of the uterine lining) can also lead to abnormal discharge and pelvic pain. These conditions can be caused by infections or other factors and may require medical evaluation.

5. Endometriosis: Although less common, endometriosis can cause significant pelvic pain and may lead to abnormal discharge. This condition occurs when tissue similar to the lining of the uterus grows outside the uterus, leading to inflammation and pain.

Given these possibilities, it is crucial to seek medical attention for a proper diagnosis. A healthcare provider will likely perform a pelvic examination, take a detailed medical history, and may recommend tests such as a Pap smear, STI screening, or ultrasound to determine the underlying cause of your symptoms.

In the meantime, it is advisable to avoid self-diagnosing or treating with over-the-counter medications without consulting a healthcare professional. If you experience severe pain, fever, or any other concerning symptoms, seek immediate medical attention.

In summary, the combination of yellow, foul-smelling discharge and back pain can be indicative of several conditions, primarily infections or inflammatory processes. A thorough evaluation by a healthcare provider is essential to determine the exact cause and appropriate treatment.

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Possible Causes of Yellow Odorous Discharge and Back Pain in Women

Menstruation occurred from November 19 to November 27. On November 27, there was unprotected sexual intercourse without ejaculation. Following that, there was light bleeding for four consecutive days, with a light brown color. By December 2, there was yellow discharge with a foul...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, it could be inflammation. I recommend seeing a gynecologist. Wishing you good health.

[Read More] Possible Causes of Yellow Odorous Discharge and Back Pain in Women


Possible Causes of Yellow Odorous Discharge and Back Pain in Women

Menstruation occurred from November 19 to November 27. On November 27, there was unprotected sexual intercourse without ejaculation. Following that, there was light bleeding for four consecutive days, with a pale brown color. By December 2, there was yellow discharge that had a f...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, it could be inflammation. I recommend seeing a gynecologist. Wishing you good health.

[Read More] Possible Causes of Yellow Odorous Discharge and Back Pain in Women


Possible Causes of Yellow Odorous Discharge and Back Pain in Women

Menstruation occurred from November 19 to November 27. On November 27, there was unprotected sexual intercourse without ejaculation. Following that, there was light bleeding for four consecutive days, with a faint brown color. By December 2, yellow discharge appeared, which had a...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, it could be inflammation. I recommend seeing a gynecologist. Wishing you good health.

[Read More] Possible Causes of Yellow Odorous Discharge and Back Pain in Women


Possible Causes of Yellow Odorous Discharge and Back Pain in Women

Menstruation occurred from November 19 to November 27. On November 27, there was unprotected intercourse without ejaculation. Following that, there was light bleeding for four consecutive days, with a faint brown color. By December 2, yellow discharge appeared, which had a foul, ...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, it could be inflammation. I recommend seeing a gynecologist. Wishing you good health.

[Read More] Possible Causes of Yellow Odorous Discharge and Back Pain in Women


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