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Abnormal Vaginal Discharge: A Warning Sign Women Should Not Ignore
Vaginal discharge is something all women experience naturally.
However, when the “color, odor, or volume” changes,
it can be a sign of an abnormality that should be professionally evaluated.

In obstetric and gynecological clinics, many patients seek care for vaginal discharge,
particularly working women experiencing stress, insufficient rest, and hormonal changes.
At Femily Wellness Clinic Ari, we find that
abnormal vaginal discharge is one of the top three reasons women undergo a pelvic exam.
What is considered normal vaginal discharge?
Normal vaginal discharge typically has the following characteristics:
Clear or slightly milky white
Odorless
No itching or burning sensation
The amount fluctuates according to your menstrual cycle
Physiologically, vaginal discharge is produced by the glands in the cervix and vagina.
It plays a key role in preventing infection and maintaining a healthy vaginal microbiome balance.
Signs of “Abnormal Vaginal Discharge”

You should have a pelvic exam if you experience any of the following symptoms:
Yellow, green, gray, or blood-tinged discharge
A strong, unpleasant odor
Itching, burning, or lower abdominal pain
Thick, clumpy discharge resembling cottage cheese
Symptoms accompanied by abnormal bleeding
Common Causes of Abnormal Vaginal Discharge
1. Yeast Infection (Candida)
Thick, white, cottage cheese-like discharge
Intense itching
Often occurs after antibiotic use or during times of lowered immunity
2. Bacterial Vaginosis
Grayish discharge
Fishy odor
Usually related to an imbalance in the natural vaginal bacteria
3. Trichomoniasis
Greenish or yellowish discharge
Frothy or bubbly consistency
Often associated with a sexually transmitted infection
4. Cervicitis
Blood-streaked discharge
Lower abdominal pain
May be linked to gonorrhea or chlamydia
Clinical Perspective
In our clinical experience,
we often see many women buy over-the-counter vaginal suppositories without a proper diagnosis.
The issue is that
symptoms of yeast infections and bacterial vaginosis can be very similar.
Using the wrong treatment can lead to chronic, persistent symptoms.
An accurate diagnosis from the start
greatly reduces the chance of recurrence.
When should you see a doctor immediately?
Vaginal discharge mixed with blood
Severe lower abdominal pain
Fever
Pregnancy accompanied by any abnormal symptoms
Symptoms that do not improve after self-treatment
Particularly during pregnancy,
certain infections can increase the risk of preterm labor.
How to Prevent Abnormal Vaginal Discharge

Use condoms in high-risk situations
Avoid vaginal douching
Avoid using vaginal suppositories unnecessarily
Choose breathable cotton underwear
Frequently Asked Questions (FAQ)
Do I need to avoid intercourse before a pelvic exam?
It is recommended to avoid intercourse for 24 hours prior to your exam to ensure the accuracy of the results.
If there is no itching, but there is a strong odor, should I still get checked?
Yes, you should. This could be a sign of Bacterial Vaginosis, which sometimes does not cause itching.
Summary
Abnormal vaginal discharge is not something to ignore.
While most cases are easily treatable,
getting the correct diagnosis is the most important step.
If you notice any unusual symptoms,
please schedule an evaluation with an OB-GYN specialist.
Written by
Dr. Wichadet Wichulada
OB-GYN Specialist, Maternal-Fetal Medicine Subspecialty
King Chulalongkorn Memorial Hospital
Research published in the International Journal of Transgender Health
References
American College of Obstetricians and Gynecologists (ACOG). Vaginitis in Nonpregnant Patients.
World Health Organization. Guidelines for the Management of Sexually Transmitted Infections.
Williams Obstetrics, 26th Edition.
Novak's Gynecology, 16th Edition.