Yellow Vaginal Discharge: Causes, Treatments, and Concerns
The fluid discharge from the glands in a woman's cervix is a natural part of a woman's cycle. Although vaginal discharge is often subject to changes throughout a woman's menstrual cycle, there are times when those changes may indicate that something is wrong with her body.
For instance, Infections caused by bacteria or sexually transmitted infections (STIs) can cause yellow, malodorous discharge from the vaginal area.
The following article will give you an overview of yellow vaginal discharge. First, let me explain what causes vaginal discharge and what normal vaginal discharge looks like. I will describe how to prevent yellow discharge and when to seek medical attention if you experience it.
What Causes Yellow Vaginal Discharge in Women?
Yellow vaginal discharge is often caused by infections such as bacterial vaginosis or sexually transmitted infections (STIs) like chlamydia, gonorrhoea, or trichomoniasis. These conditions can produce thick, discoloured discharge with an unpleasant odour and sometimes pain or irritation.
Occasionally, pale yellow discharge can be harmless and linked to hormonal changes or oxidation before your period.
However, darker yellow or green vaginal discharge often indicates infection, and medical assessment is recommended.
If you notice a change in colour, smell, or texture (especially with pelvic pain, fever, or itching) consult a doctor. Your healthcare provider can confirm the cause with tests and recommend appropriate treatment.
Common Infections Linked to Yellow Vaginal Discharge
Several common infections may cause yellow discharge, including bacterial vaginosis, trichomoniasis, gonorrhoea, and chlamydia. Each requires medical diagnosis and targeted antibiotic treatment.
- Bacterial Vaginosis: It is thought that disruption of the vaginal flora is responsible for bacterial vaginosis (BV), a common cause of yellow vaginal discharge. The most common symptom of BV is excessive and fishy-smelling discharge that doesn't itch. The condition can cause complications during pregnancy if left untreated.
- Trichomoniasis: Trichomoniasis is a sexually transmitted infection spread by unprotected contact with an infected partner. The infection is commonly characterised by a greenish-yellow discharge that smells musty and appears frothy. The infection of trichomoniasis during pregnancy can also lead to complications if the condition is left untreated.
- Gonorrhoea: Gonorrhea is another sexually transmitted infection that can cause yellowish or greenish discharge. It is usually associated with increased discharge, painful urination, abnormal bleeding between periods, or pelvic or abdominal pain in women with gonorrhoea. Gonorrhoea discharge may smell foul.
- Chlamydia: Some symptoms of this STI include yellow discharge, painful urination, and sex pains. Blood can also be seen between periods.
Complications of Untreated Yellow Vaginal Discharge
There are many ways to treat bacterial infections, including STIs (sexually transmitted infections). There is, however, a risk that they may result in serious complications, so if you suspect you have an infection, seek prompt medical attention.
For example, an infection that causes yellow discharge is associated with an increased risk of pelvic inflammatory disease. It is important to note that if left untreated, PID can lead to fertility complications and be life-threatening, in some instances requiring hospitalisation and intravenous antibiotic therapy.
In the case of bacterial vaginosis or STIs, if left untreated, bacterial vaginosis during pregnancy can lead to pregnancy complications, such as preterm birth, if left untreated.
What Does Normal Vaginal Discharge Look and Feel Like?
As the menstrual cycle progresses, the consistency of the vaginal discharge may change. Clear or white discharge is typically associated with healthy vaginal discharge.
Your discharge may have a pink or reddish hue close to the start of your period. Normal discharge can also turn yellow when exposed to the air in your underwear.
However, suppose the discharge is darker yellow or greenish. In that case, it is more likely a sign that a woman is suffering from an infection, and one should consult a medical practitioner as soon as possible.
Vaginal Discharge Colours and Their Meanings
The colour of vaginal discharge can vary depending on the time of month or the condition. There are a few common discharge colours; their meanings are given below.
Clear: A clear discharge is typically a sign of a healthy condition. It might occur during pregnancy, ovulation, or sexual arousal.
White: White discharge is not abnormal. However, if it is thick, like cottage cheese, and accompanied by feelings of itchiness or burning, it may indicate a yeast infection.
Grey: Infections, sometimes STIs, and more commonly bacterial vaginosis, can cause grey vaginal discharge.
Pink or Red: Before a woman's period, she may experience pink or reddish discharge. Likewise, it can occur when an egg is fertilised and then attached to the uterus, resulting in early pregnancy bleeding. An inflamed or irritated cervix may also cause it. A red discharge may indicate cancer or an infection of the cervical cavity in rare cases.
Vaginal Discharge Colours and Their Meanings
Use this colour chart to understand what your vaginal discharge may indicate and when it’s time to see a doctor.
| Discharge Colour | Possible Cause | When to Seek Medical Advice |
|---|---|---|
| Clear | Ovulation or arousal | Normal if no odour or irritation |
| White (thick) | Yeast infection | If accompanied by itching or burning |
| Grey | Bacterial vaginosis | If it smells fishy or changes texture |
| Yellow | BV or STIs (chlamydia, trich) | If thick, foul-smelling, or painful |
| Green | STIs like gonorrhoea | Seek immediate medical help |
| Pink/Red | Period, early pregnancy, trauma | If persistent or heavy, see a doctor |
How to Prevent Yellow Vaginal Discharge and Infection
Always use condoms when having sex with a new partner, especially if you have yellow vaginal discharge.
Infection can be reduced by using latex or polyurethane condoms, though it cannot be entirely prevented. To reduce your risk of sexually transmitted infections, limit the number of sexual partners you have.
Preventing more serious medical problems can also be accomplished through regular STI screenings. In some cases, bacterial vaginosis cannot be entirely prevented because an overgrowth of the natural vaginal flora causes it.
A lack of healthy bacteria in the vagina may cause it in some people. Use scented products in the vaginal area to avoid douching, which is associated with a higher risk of bacterial vaginosis.
When to See a Doctor for Yellow Vaginal Discharge
When you notice that your vaginal discharge changes in colour or texture, or if you suspect that you may have a vaginal or sexually transmitted infection, it's essential to seek medical attention immediately.
You should also consult your doctor if you experience any of the following symptoms and suspect that you may have an infection:
- Fatigue
- Weakness
- Nausea and vomiting
- Fever
- Chills
If these symptoms persist or worsen, you should seek medical attention immediately.
Antibiotics are usually prescribed for infections that cause yellow vaginal discharge. Your doctor can recommend a treatment plan based on your medical history, symptoms, and diagnosis.
How Mobi Doctor Can Help with Vaginal Discharge Treatment
With Mobi Doctor's app, you can get affordable primary care from a doctor who offers a wide range of providers. If you need help, you can consult a doctor in minutes using Mobi Doctor to check your symptoms and explore conditions and treatments.
Mobi Doctor is a virtual clinic that provides online consultations and 24/7 support for people with health problems. You can talk to our experts about any health problem, whether an infection, an injury, or a mental health issue. We offer tailored advice and support from our team of doctors and experts.
