Vaginal Infection Types Every Woman Should Know

Vaginal infections are one of the most common reasons women come to see me. They are also, and this part matters as much as anything clinical, one of the most common reasons women avoid coming to see me. 

Women sit with these symptoms for weeks, sometimes months, because the subject feels too private to raise, too embarrassing to name out loud. There is nothing shameful about what you are experiencing, and there is nothing unusual about the fact that you have been searching for answers on your own.

A vaginal infection, or vaginitis, occurs when the natural environment inside the vagina is disturbed. The vagina maintains a precise pH and a specific microbiome that together keep harmful organisms in check. When something disrupts that balance, whether it is a bacterial imbalance, a fungal overgrowth, a parasite, or a hormonal change, an infection or inflammation can develop. Let’s get into detail. 

Bacterial Vaginosis: The Most Common Type and the Most Misunderstood

Bacterial vaginosis is the most commonly diagnosed vaginal infection in both India and around the world. BV is not an infection in the way most people imagine it. It is not caused by a single dangerous bacterium entering the vagina from outside. It is caused by a shift in the balance of bacteria that already live there.

The healthy vaginal environment is dominated by Lactobacillus bacteria, which maintain an acidic pH and protect against harmful organisms. When those Lactobacillus bacteria are outnumbered by a variety of anaerobic bacteria, most commonly Gardnerella vaginalis, bacterial vaginosis symptoms can appear.

Common causes of this imbalance include douching, antibiotic use, hormonal changes, use of an IUD, and having new or multiple sexual partners. That last point sometimes surprises women because BV is not classified as a sexually transmitted infection. It can occur in women who have never been sexually active. The association with sexual activity is real and well-established in research, but the mechanism is not fully understood.

When symptoms are present, they typically include:

• Abnormal vaginal discharge that is thin, grey-white, and watery.
• A fishy smell vaginal discharge that becomes more noticeable after sex.
• Mild itching or burning around the vaginal opening, though many women feel nothing at all.

Yeast Infection (Vaginal Candidiasis): What It Feels Like and Why It Keeps Coming Back

A vaginal yeast infection is caused by an overgrowth of a fungus called Candida, most often the species Candida albicans. Candida is present in the vaginal environment in small amounts under normal circumstances. 

Problems arise when it multiplies beyond what the body’s natural defences can manage. This is not an STI. It is not caused by poor hygiene. It is a disruption of the vaginal microbiome, and it is one of the most common conditions I treat.

In India, the climate is a factor that I believe is significantly underreported in health content. The hot and humid conditions across much of the country create exactly the kind of warm, moist environment that Candida thrives in. Women who wear tight synthetic clothing in these conditions are increasing their risk substantially.

The yeast infection symptoms are quite distinctive:

• A thick, white discharge that is often described as having a cottage cheese texture
• Intense itching in private parts, sometimes severe enough to disrupt sleep
• A burning sensation, particularly during urination or sexual intercourse
• Redness and swelling of the vulva

When a patient tells me she has had three or four recurrent vaginal infection episodes this year, I do not simply prescribe another antifungal. 

I ask about her diet, her clothing choices, whether she has been tested for diabetes, and whether she has recently used antibiotics. Recurrence is a signal that something in the underlying environment needs to change. Treating each episode in isolation without addressing the root cause is how women end up in a cycle that never fully resolves.

Trichomoniasis and STI-Related Vaginal Infections: Addressing the Stigma Directly

Trichomoniasis is caused by a single-celled parasite called Trichomonas vaginalis, which is transmitted through sexual contact. It is the most common curable sexually transmitted infection worldwide. One of the most clinically important details is that up to 50 percent of women who have it experience no symptoms at all, which means it can be unknowingly transmitted without either partner realising.

When trichomoniasis symptoms in women do appear, they typically include:

• A frothy, yellow-green vaginal discharge with a strong, unpleasant odour
• Itching, redness, and irritation of the vulva and vaginal area
• Pain or a burning sensation during urination
• Discomfort during sexual intercourse

It is also worth understanding the vaginal infection vs UTI difference here: trichomoniasis can cause burning during urination that may feel similar to a urinary tract infection, but the discharge pattern and the vaginal irritation typically point toward the vaginal infection rather than the urinary tract. A clinical evaluation is the only reliable way to distinguish them.

For trichomoniasis, both partners must be treated simultaneously. If only one partner receives treatment, reinfection occurs almost inevitably, regardless of how completely the initial infection was cleared. Please ensure your partner is evaluated before resuming sexual activity.

What Does Your Vaginal Discharge Actually Tell You?

The single most useful thing I can teach a patient about vaginal health is how to read her own vaginal discharge. The colour, texture, and smell of white discharge or any other kind of discharge are clinical data. They tell me, and they can tell you, a great deal about what may be happening inside the vaginal environment.

The table below is a guide to vaginal discharge colour meaning. If your discharge fits one of the descriptions below and has been present for more than two or three days, please book an appointment rather than waiting to see whether it resolves.

Vaginal Infections During Pregnancy: Why This Cannot Wait

If you are pregnant and you notice any change in vaginal discharge during pregnancy, any itching, any unusual odour, please call your doctor that day. 

Bacterial vaginosis symptoms during pregnancy are linked to an increased risk of preterm birth, low birth weight, and premature rupture of membranes. Yeast infections are more common during pregnancy because hormonal changes alter the vaginal environment in ways that favour Candida growth. Trichomoniasis in pregnancy also carries increased risk of adverse outcomes for both mother and baby.

How to Prevent Vaginal Infections: What Actually Works

Vaginal infections cannot always be prevented. But there are meaningful steps that support the vaginal environment and may reduce the likelihood of recurrence. 

Clothing choices

Breathable cotton underwear and avoiding tight synthetic clothing, particularly in India’s hot and humid climate, help reduce the moisture accumulation that promotes Candida growth. 

Hygiene: less is genuinely more

Wash the external vulva with warm water and a mild, unscented soap. The vagina is a self-cleaning organ. It does not need to be washed internally, and it does not benefit from scented wipes, feminine sprays, or vaginal deodorants. These products disturb vaginal pH imbalance and make infection more likely, not less.

Diet and lifestyle

Poorly controlled blood sugar is associated with recurrent yeast infections. Women who experience recurrent vaginal infection frequently find that reducing refined sugar intake has a meaningful effect. Probiotic-rich foods such as plain yoghurt and fermented foods may support the vaginal microbiome. 

Antibiotic use

Take antibiotics only when prescribed by a doctor. If you have a history of yeast infections and you have been prescribed antibiotics for another condition, let your gynaecologist know. There are approaches that may support your vaginal flora during and after the course.

Safe sexual health practices

Consistent condom use reduces the risk of trichomoniasis and STI-associated vaginal infections. This is how to prevent vaginal infections that are sexually transmitted: barrier protection is the most reliable tool available.

When Should You See a Doctor? The Signs You Cannot Ignore

I know that many women try to manage vaginal symptoms on their own before calling their doctor. I understand why. But there are situations where waiting genuinely makes things worse, and I want to be specific about what those situations are.

Please book an appointment if you notice any of the following:

• Symptoms lasting more than three days that show no sign of improving.
• Fever alongside vaginal symptoms.
• Any unexplained bleeding from the vaginal area outside of your period.
• Pain during sex or urination that is new or becoming more severe.
• Symptoms that have returned after a previous treatment.
• A recurrence pattern of three or more infections within a single year.
• You have been notified by a partner about an STI diagnosis.

Book Your Appointment at Tejinder Kaur’s Clinic

Vaginal infections are treatable. The right diagnosis, followed by the right treatment, is almost always straightforward when addressed promptly.

If you are experiencing symptoms and you are not sure what is going on, please do not spend another week uncertain. You deserve accurate answers and care you can trust.

Request an Appointment Today. 

Frequently Asked Questions

Q1: Can a vaginal infection go away on its own without treatment?

Some mild yeast infections may resolve on their own, particularly if a known trigger such as antibiotic use has ended. However, bacterial vaginosis and trichomoniasis do not typically resolve without treatment and can worsen or cause complications if left alone. Atrophic vaginitis will not improve until the underlying hormonal cause is addressed. The safest approach is always to get evaluated rather than wait.

Q2: Is bacterial vaginosis a sexually transmitted infection?

No. Bacterial vaginosis is not classified as an STI. It can occur in women who have never been sexually active. It is caused by an imbalance in the vaginal microbiome rather than by a single infectious organism transmitted from outside. 

Q3: Can I have more than one vaginal infection at the same time?

Yes. Co-infections are more common than most women realise. A woman can have bacterial vaginosis and a yeast infection simultaneously. This is one more reason why accurate diagnosis matters so much.

Q4: Does a yeast infection mean something is wrong with my hygiene?

No. Yeast infection is not a reflection of cleanliness. It is caused by an overgrowth of a fungus that is normally present in the vaginal environment. The most common triggers are antibiotic use, hormonal changes, and conditions like diabetes.

Q5: What is the difference between a vaginal infection and a UTI?

A vaginal infection vs UTI difference comes down to where the symptoms originate. UTIs primarily cause burning during urination, frequent urination, and pelvic pressure, without significant vaginal discharge or external itching. Vaginal infections typically involve changes in discharge, vaginal itching, and irritation of the vulvar area. Trichomoniasis can cause burning during urination and is sometimes mistaken for a UTI. A clinical evaluation is the only reliable way to distinguish between them, particularly since both can occur at the same time.

Q6: Can vaginal infections affect my fertility or pregnancy?

Yes, in some cases. Untreated bacterial vaginosis symptoms during pregnancy are associated with an increased risk of preterm birth, low birth weight, and infection of the amniotic fluid. Untreated trichomoniasis in pregnancy also carries risks. For fertility, recurrent BV and untreated chlamydia or gonorrhoea can affect reproductive health over time. 

Q7: Are there safe home remedies for vaginal infections?

There are some approaches with modest evidence, and some that are actively harmful. Including probiotic-rich foods such as plain yoghurt in your diet, wearing breathable cotton underwear, and avoiding irritants like scented soaps and feminine sprays may support vaginal health and could reduce the risk of recurrence. 

Q8: Why do I keep getting vaginal infections?

The most common underlying causes are uncontrolled blood sugar or diabetes, frequent antibiotic use, hormonal imbalances, immune system issues, and lifestyle factors such as diet, clothing, and hygiene products. If you are experiencing three or more infections per year, please come in for a full evaluation rather than simply treating each episode.