Vaginal discharge, itching or an unusual smell can make many women feel worried or embarrassed. However, vaginal discharge is not always a sign of infection. A certain amount of discharge is normal and is part of the vagina’s natural cleaning and protective system.

Problems may occur when the normal vaginal environment is disturbed or when an infection, irritation or another medical condition develops. Understanding what is normal—and recognising warning signs—can help you seek appropriate treatment without unnecessary fear or self-medication.

Is Vaginal Discharge Normal?

Yes. Normal vaginal discharge helps keep the vagina moist, removes dead cells and supports a healthy vaginal environment.

Normal discharge is usually:

• Clear, white or slightly creamy
• Mild-smelling or odourless
• Not associated with itching, burning or pain
• Variable in amount and consistency throughout the menstrual cycle

Discharge may become clearer, wetter and more slippery around ovulation. It can also increase before menstruation, during pregnancy, with sexual arousal or when using hormonal contraception.

Every woman has her own normal pattern. A change from your usual colour, smell, consistency or amount is more important than the quantity of discharge alone.

When Can Vaginal Discharge Be Abnormal?

You should consider a gynaecological assessment if your discharge:

• Develops a strong, unpleasant or fishy smell
• Becomes green, yellow, grey or blood-stained
• Becomes unusually thick, frothy or curd-like
• Suddenly increases significantly
• Is accompanied by itching, burning, redness or swelling
• Causes pain during urination or intercourse
• Occurs with lower abdominal or pelvic pain
• Is associated with fever, chills or feeling unwell
• Appears after menopause
• Occurs with bleeding after intercourse or between periods

A change in colour, smell or texture may indicate an infection, but symptoms alone cannot always identify the exact cause. Different vaginal conditions frequently produce overlapping symptoms, so self-diagnosis may lead to incorrect treatment. NHS guidance on vaginal discharge

Common Causes of Abnormal Vaginal Discharge

1. Vaginal Candidiasis or Yeast Infection

A yeast infection commonly causes:

• Intense vulval or vaginal itching
• Redness and soreness
• Thick, white or curd-like discharge
• Burning, particularly during urination
• Discomfort during intercourse

Pregnancy, recent antibiotic use, uncontrolled diabetes and a weakened immune system may increase the risk of candidiasis.

These symptoms are not specific to yeast infection. Repeatedly using antifungal medicines without confirmation may delay the diagnosis of another condition. A vaginal sample may be needed, particularly when symptoms are severe, recurrent or unresponsive to treatment. CDC guidance on vaginal candidiasis

2. Bacterial Vaginosis

Bacterial vaginosis, commonly called BV, develops when the normal balance of vaginal bacteria changes. It is not necessarily a sexually transmitted infection, although sexual activity can influence the vaginal bacterial environment.

Typical symptoms include:

• Thin, watery, white or grey discharge
• A strong fish-like smell, often more noticeable after intercourse
• Occasionally mild burning or irritation

Many women with BV have no symptoms. Unlike a typical yeast infection, BV usually does not cause severe itching. It requires the correct diagnosis because its treatment differs from that of candidiasis. CDC information on bacterial vaginosis

3. Sexually Transmitted Infections

Trichomoniasis, chlamydia and gonorrhoea can sometimes cause abnormal discharge. Possible symptoms include:

• Yellow, green or frothy discharge
• Unpleasant odour
• Pain or burning during urination
• Pain during intercourse
• Lower abdominal pain
• Bleeding after intercourse or between periods

Some sexually transmitted infections cause no obvious symptoms. Testing may therefore be required based on sexual history, symptoms and examination findings.

If an STI is diagnosed, the partner may also require testing or treatment. Completing the prescribed treatment and following advice about sexual activity and barrier protection are important for preventing reinfection.

4. Cervicitis and Pelvic Inflammatory Disease

An infection or inflammation of the cervix may cause abnormal discharge, bleeding after intercourse or pelvic discomfort. If infection spreads into the uterus or fallopian tubes, it may cause pelvic inflammatory disease, or PID.

Possible features of PID include:

• Lower abdominal or pelvic pain
• Fever or chills
• Pain during intercourse
• Abnormal vaginal discharge
• Bleeding between periods
• Nausea, vomiting or feeling significantly unwell

PID requires timely medical treatment. If left untreated, it can increase the risk of chronic pelvic pain, ectopic pregnancy and infertility.

5. Irritation or Allergic Reaction

Not every episode of itching or burning is caused by an infection. Irritation can result from:

• Scented soaps or intimate washes
• Vaginal deodorants or sprays
• Douching
• Scented sanitary products
• Laundry detergents or fabric softeners
• Tight or non-breathable clothing
• Certain lubricants or contraceptive products
• Excessive washing or scrubbing

Treatment requires identifying and avoiding the irritant rather than repeatedly taking antibiotics or antifungal medicines.

6. Low Oestrogen and Menopause

After menopause, lower oestrogen levels can make the vulval and vaginal tissues thinner, drier and more sensitive. This may cause:

• Vaginal dryness
• Burning or irritation
• Pain during intercourse
• Urinary discomfort
• Recurrent urinary symptoms
• Light spotting or discharge

These symptoms may be part of genitourinary syndrome of menopause and can often be treated effectively. However, any bleeding or blood-stained discharge after menopause should be assessed by a gynaecologist.

Should Intimate Wash Be Used Every Day?

Routine internal vaginal cleansing is unnecessary. The vagina is a self-cleaning organ and contains protective bacteria that help maintain its natural acidic environment.

Douching or inserting soap, antiseptic solutions, deodorants or other cleansing products into the vagina can disturb this balance. It may worsen irritation and increase the likelihood of bacterial imbalance or recurrent symptoms. ACOG advises against douching and recommends allowing the vagina to cleanse itself naturally. ACOG guidance on vaginitis

The external genital area is called the vulva. It can usually be cleaned gently with lukewarm water. If a cleansing product is needed, choose a mild, fragrance-free product and apply it only externally. Avoid vigorous scrubbing and stop using any product that causes dryness, burning or irritation.

An intimate wash cannot treat vaginal infection, remove an STI or replace a medical examination.

Practical Tips for Healthy Vulval and Vaginal Care

• Wash the external vulval area gently with water.
• Do not wash or douche inside the vagina.
• Avoid scented soaps, sprays, powders and deodorants.
• Wear comfortable, breathable underwear.
• Change out of wet exercise clothes or swimwear promptly.
• Change sanitary pads or tampons regularly.
• Wipe from front to back after using the toilet.
• Avoid repeatedly wearing very tight clothing if it causes irritation.
• Use condoms appropriately to reduce the risk of sexually transmitted infections.
• Avoid sharing prescribed medicines with another person.
• Do not repeatedly use antibiotics or antifungal treatments without establishing the cause.

These measures can reduce irritation, but they cannot prevent or cure every vaginal infection.

Why Self-Medication Can Be Harmful

Itching and discharge do not automatically mean that you have a fungal infection. BV, candidiasis, an STI, cervical infection, allergic irritation and some skin conditions can produce similar symptoms.

Using the wrong medicine may:

• Temporarily mask symptoms
• Disturb the normal vaginal bacteria
• Delay the correct diagnosis
• Contribute to recurrent symptoms
• Allow an STI or pelvic infection to remain untreated
• Make future assessment more difficult

Testing is particularly important if symptoms are recurrent, occur during pregnancy, follow a new sexual exposure or fail to improve after initial treatment.

Vaginal Discharge During Pregnancy

An increase in thin, clear or milky discharge can be normal during pregnancy. However, pregnant women should seek medical advice if the discharge:

• Smells unpleasant
• Becomes green or yellow
• Is associated with itching or soreness
• Causes pain during urination
• Is watery enough to suggest leaking amniotic fluid
• Contains blood
• Occurs with pelvic pain, contractions, fever or reduced fetal movements

Bleeding during pregnancy and suspected leaking of amniotic fluid require prompt assessment. NHS guidance on discharge during pregnancy

When Should You Consult a Gynaecologist Urgently?

Arrange urgent medical assessment if vaginal symptoms occur with:

• Severe lower abdominal or pelvic pain
• Fever, chills, vomiting or marked weakness
• Pregnancy with bleeding or suspected fluid leakage
• Heavy vaginal bleeding
• Fainting, dizziness or shoulder-tip pain
• A possible retained tampon or foreign object
• Genital ulcers, blisters or significant swelling
• Recent pelvic procedure followed by pain, fever or foul-smelling discharge

You should also arrange an appointment for persistent itching, recurrent infections, bleeding after intercourse, unexplained bleeding between periods or any vaginal bleeding after menopause.

How Is Abnormal Vaginal Discharge Diagnosed?

Depending on your symptoms, the assessment may include:

• Discussion of your menstrual, medical and sexual history
• External vulval examination
• Speculum examination of the vagina and cervix
• Vaginal or cervical swabs
• Urine testing
• STI testing where appropriate
• Blood glucose testing for recurrent candidiasis
• Cervical screening if due or clinically indicated
• Pelvic ultrasound when pain, bleeding or another pelvic condition is suspected

A respectful consultation and appropriate testing allow treatment to be selected according to the actual cause.

Final Message

Vaginal discharge is often a normal part of a woman’s reproductive health. However, a persistent change in its smell, colour or consistency—especially when accompanied by itching, pain, bleeding or fever—should not be ignored.

Avoid vaginal douching and unnecessary intimate products. Most importantly, do not assume that every discharge is a fungal infection. Proper examination and testing can identify the cause and prevent repeated or inappropriate treatment.

For consultation regarding vaginal discharge, itching, recurrent vaginal infections, pelvic pain, menstrual concerns or pregnancy-related symptoms, schedule an appointment with Dr. Muniba Tahir, Consultant Gynaecologist and Obstetrician in Lahore.

Practice locations: Omar Hospital, Johar Town, and National Hospital & Medical Centre, DHA Lahore. Online consultations are also available.