Vaginal Discharge: Normal vs Abnormal, Causes & Treatment
A doctor-reviewed guide to understanding vaginal discharge and when it needs attention.
What is Normal Vaginal Discharge?
Vaginal discharge is a normal fluid produced by glands in the vagina and cervix that helps keep the area clean, moist, and protected from infection. Normal discharge is typically clear to milky white, has a mild or no odor, and its consistency and amount can vary throughout the menstrual cycle.
Signs of Abnormal Discharge
- Yellow, green, or grayish color
- Strong, foul, or fishy odor
- Thick, clumpy, cottage-cheese-like texture
- Accompanying itching, burning, or redness
- Pelvic pain or discomfort during urination or intercourse
Common Causes
- Bacterial Vaginosis – imbalance of normal vaginal bacteria, often with a fishy odor
- Yeast Infection – fungal overgrowth causing thick, itchy white discharge
- Trichomoniasis – a sexually transmitted infection causing frothy, greenish discharge
- Chlamydia or Gonorrhea – sexually transmitted infections that may cause unusual discharge
- Pelvic Inflammatory Disease – infection of the reproductive organs
Diagnosis
A gynecologist typically diagnoses the cause through a pelvic examination, vaginal pH testing, and a lab analysis of a discharge sample (wet mount or culture) to identify the specific infection or imbalance.
Treatment Options
- Antifungal medication (oral or topical) for yeast infections
- Antibiotics for bacterial vaginosis or bacterial infections
- Specific antibiotic regimens for sexually transmitted infections
- Partner treatment when the cause is a sexually transmitted infection
Prevention & Hygiene Tips
- Wear breathable cotton underwear and avoid tight synthetic clothing
- Avoid douching or using scented vaginal products
- Wipe front to back after using the toilet
- Use protection during sexual activity to reduce infection risk
- Change out of wet clothing (like swimwear) promptly
When to See a Doctor
See a gynecologist if discharge changes in color, odor, or texture, is accompanied by itching or pain, or persists despite over-the-counter treatment — prompt diagnosis ensures the right treatment for the specific cause.