What are the causes of yellow discharge?

Abnormal discharge color, such as yellowish discharge, may have the following possible causes: 1. **Bacterial vaginosis**: Common in women, caused by imbalance of the normal vaginal bacterial flora. It is often accompanied by an unpleasant odor, itching, and thick yellow discharge. 2. **Fungal infection**: Such as candidiasis (yeast infection), women may also experience thick white or yellow discharge, sometimes accompanied by itching. 3. **Urethral infection**: Can occur in both men and women. When urine is mixed with purulent discharge, it may result in yellowish discharge. 4. **Sexually transmitted diseases (STDs)**: Such as gonorrhea or chlamydia infection, which may cause yellow or green discharge, often accompanied by pain or a burning sensation. 5. **Hormonal changes**: In women, fluctuations in hormone levels during the menstrual cycle may affect the color and consistency of discharge. If abnormal discharge persists or is accompanied by other symptoms, prompt medical consultation and examination are recommended.