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 light brown color.
By December 2, there was yellow discharge with a foul, sour odor, and also lower back pain.
What could be the possible symptoms in this case?

Lin, 10~19 year old female. Ask Date: 2022/12/20

Dr. Cao Guotao reply Obstetrics and Gynecology


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

Reply Date: 2022/12/20

More Info


The symptoms you are experiencing, including the yellow odorous discharge and back pain, can be indicative of several underlying conditions. Given your recent menstrual history and the nature of the discharge, it is essential to consider a few potential causes.

1. Infection: One of the most common reasons for yellow, foul-smelling discharge is a vaginal infection. This could be due to bacterial vaginosis (BV) or a sexually transmitted infection (STI) such as gonorrhea or chlamydia. BV is characterized by an imbalance of normal bacteria in the vagina, leading to a fishy odor and unusual discharge. STIs can also present with similar symptoms, often accompanied by pelvic pain, abnormal bleeding, or discomfort during intercourse.

2. Cervical Issues: Conditions affecting the cervix, such as cervicitis (inflammation of the cervix), can also lead to abnormal discharge. This inflammation can be caused by infections, including STIs, and may present with yellow discharge and pelvic discomfort.

3. Endometrial or Pelvic Inflammatory Disease (PID): If the infection spreads to the uterus or fallopian tubes, it can lead to PID, which may cause lower abdominal pain, back pain, and abnormal discharge. PID is often a complication of untreated STIs and can have serious long-term effects on reproductive health.

4. Hormonal Imbalances: Hormonal fluctuations can also lead to changes in vaginal discharge. If you have irregular cycles or have recently experienced changes in your menstrual pattern, this could contribute to the symptoms you are experiencing.

5. Other Conditions: Conditions such as endometriosis or ovarian cysts can cause pelvic pain and may be associated with abnormal discharge. Endometriosis, in particular, can lead to significant pain and changes in menstrual patterns.

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

In the meantime, here are some recommendations:
- Avoid Irritants: Steer clear of douches, scented soaps, or other products that may irritate the vaginal area.

- Maintain Hygiene: Keep the genital area clean and dry, and wear breathable cotton underwear.

- Monitor Symptoms: Keep track of any additional symptoms, such as fever, increased pain, or changes in discharge, and report these to your healthcare provider.

In conclusion, while the symptoms you describe can be associated with various conditions, it is essential to consult a healthcare professional for an accurate diagnosis and appropriate treatment. Early intervention can help prevent complications and ensure better reproductive health outcomes.

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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 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


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


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