What Causes Vaginal Infections? 7 Common Reasons for Intimate Area Infections

Top 5 Common Symptoms of Vaginal Inflammation

What to Do If You Have Vaginal Inflammation? 5 Care Tips to Relieve Discomfort

Foods Shall be Taken during Vaginal Inflammation? 3 Anti-inflammatory Foods to Ease Discomfort

Frequently Asked Questions About Vaginal Infection/Inflammation

 

Author / Sharon, Gynecologist

 

What Causes Vaginal Infections? 7 Common Reasons for Intimate Area Infections

Vaginal infections are closely knitted to the vaginal micro-ecosystem. Under healthy conditions, lactobacilli in the vagina help maintain an acidic environment with a pH of 3.5–4.5. This acidity suppresses the growth of harmful pathogens, forming a protective barrier. However, when various factors disrupt this balance, it can lead to an overgrowth of harmful microbes and result in infection. In general, the causes of vaginal infections can be classified into two categories: internal (endogenous) and external (exogenous) factors.

 

Internal Factors

 

These refer to changes within the body, such as physiological changes or illnesses, that affect vaginal health.

Cause 1: Hormonal Changes

A woman's hormones fluctuate during different life stages. For example, during menopause, reduced estrogen levels decrease lactobacilli production, increasing the risk of vaginal infections.

Cause 2: Weakened Immune Function

The immune system serves as the body's first line of defense against pathogens. If compromised due to illness or certain medications (in those with immunodeficiency conditions), it becomes easier for pathogens to invade the intimate area.

Cause 3: Diabetes

Diabetic individuals tend to have higher sugar levels in the vaginal area, which provides a favorable environment for pathogens like Candida to thrive, leading to recurring infections.

Cause 4: Smoking

Studies show that women who smoke are more prone to vaginal infections. This may be due to smoking altering the chemical composition of vaginal secretions, disrupting the micro-ecosystem and encouraging pathogen growth.

 

External Factors

 

These are influences from the environment or personal habits that disrupt the balance of beneficial vaginal bacteria.

Cause 5: Poor Hygiene Habits

Incorrect wiping or cleaning practices—such as over-douching, using inappropriate cleansing products, wiping from back to front after using the toilet, or wearing unclean underwear—can disturb vaginal pH and promote bacterial growth.

Cause 6: Unsanitary Public Facilities

Places like swimming pools, hot springs, public baths, or restrooms can harbor pathogens if not properly sanitized, increasing the risk of infection.

Cause 7: Unsafe Sexual Practices

Unprotected intimacy is a major route for many vaginal infections, such as trichomoniasis or other common STDs. Unclean sex toys may also carry pathogens, thereupon thorough cleaning before and after use is essential.

 

 

 

Top 5 Common Symptoms of Vaginal Inflammation

Vaginal inflammation is a common health concern for women. It can be caused by bacteria, fungi, parasites, allergies, or hormonal changes. Different types of vaginitis present with different symptoms, discharge characteristics, and treatment approaches. Understanding these can help detect issues early and manage them properly to maintain intimate health.

 

Types of Vaginitis

Type

Symptoms

Discharge

Causes

Treatment

Bacterial Vaginosis (BV)

Nearly 50% are asymptomatic; may experience vaginal itching or irritation

Increased discharge with a fishy odor, thin gray or white discharge evenly coating the vaginal walls

Imbalance in vaginal flora—decreased lactobacilli and overgrowth of anaerobic bacteria

Oral antibiotics and vaginal suppositories

Candidiasis (Yeast Infection)

Vaginal itching and burning sensation

Thick white discharge resembling cottage cheese

Caused by Candida fungi; ~60% of women carry it naturally, but few develop symptoms. Higher risk in diabetics

Antifungal medication (oral, topical creams, or vaginal suppositories)

Trichomoniasis

10–50% show no symptoms; may experience itching, pain during sex, painful urination, frequent urination, and lower abdominal pain

Yellow-green, frothy discharge with strong odor (up to 70% of cases)

Caused by Trichomonas vaginalis, a parasitic infection

Specific anti-trichomonas medication; both partners should be treated

Allergic Vaginitis

Redness and itching due to allergic reactions

Generally unchanged; some may have increased discharge

Triggered by allergens rather than microbes

Avoidance of allergens (e.g. irritating or unsuitable cleansers or fabrics) usually improves symptoms

Atrophic Vaginitis

Vaginal dryness, burning, discomfort during sex or urination

Significantly reduced discharge

Due to estrogen deficiency after menopause

Hormone therapy and intimate moisturizers or gels

Other STDs (Chlamydia, Gonorrhea, etc.)

Vaginal or cervical inflammation, abnormal discharge, pain

Increased discharge, possibly foul-smelling, yellow or green

Sexually transmitted infections

Oral or injectable antibiotics; both partners should be treated

 

 

What to Do If You Have Vaginal Inflammation? 5 Care Tips to Relieve Discomfort

 

While medical consultation and following your doctor's treatment plan is essential, here are five daily care tips to help you feel better:

1. Keep the Area Clean and Dry

Maintaining dryness in the intimate area is crucial during inflammation. Use doctor-recommended intimate cleansers, avoiding those with fragrances or harsh chemicals. During your period, clean more frequently and change pads or tampons regularly to maintain hygiene.

2. Wear Clean, Comfortable Underwear

Opt for breathable, natural cotton underwear to reduce discomfort. Change your underwear frequently to prevent reinfection from bacteria on soiled garments. 

💡 Tip: Use sterilized disposable underwear to reduce bacterial growth and avoid worsening infections.

3. Improve Diet and Lifestyle Habits

A balanced diet, regular exercise, and consistent daily routines boost immunity and protect intimate health. Quit smoking and reduce sugar intake to help your body defend against infections.

4. Avoid Intimacy

It's best to avoid sex during inflammation, especially in infectious cases. If unavoidable, always use a condom to prevent aggravating the infection or spreading it to your partner.

5. Use Medicinal or Intimate Care Products

Use appropriate products depending on the issue. For fungal or parasitic infections, products containing povidone-iodine can relieve symptoms like itching, abnormal discharge, or odor. For dryness, use intimate moisturizing gels or oils to enhance hydration.

 

 

What to Eat during Vaginal Inflammation? 3 Anti-inflammatory Foods to Ease Discomfort

A healthy diet and proper hydration are always essential for well-being. During intimate discomfort, it’s especially important to eat well. In addition to a balanced diet, these foods can help reduce inflammation and maintain vaginal health:

 

1. Probiotic Foods

Yogurt, kimchi, kombucha, and probiotic supplements help replenish good bacteria in the vaginal microbiome. Look for patented probiotic strains specifically developed for vaginal health for the best results.

2. Cranberries

Cranberries contain proanthocyanidins (PACs), which acidify urine and help prevent bacterial adhesion in the urinary tract, reducing inflammation. Both men and women can benefit. Aim for at least 36mg of PAC daily. For cranberry juice, choose low-sugar options or go for cranberry extracts instead.

📖 Recommended reading: “Cranberry to Know : 3 Benefits and 3 Key Principles" 

3. Vitamin C-rich Foods

Inflammation can cause minor wounds due to itching or delicate skin. Vitamin C boosts immunity and collagen production to aid healing.

Recommended foods: Kiwi, citrus fruits (oranges, lemons, grapefruits), tomatoes, red bell peppers, strawberries.

 

 

Frequently Asked Questions About Vaginal Infection/Inflammation

 

Q: Can vaginal infections heal on their own?

Usually not. While some mild infections may resolve due to natural immunity, most require medical treatment.

Q: Is having sex allowed during vaginitis?

It’s best to avoid it. Especially for infectious types, sex can worsen the condition or spread it to your partner. If unavoidable, always use condoms.

Q: How long does it take to recover from a vaginal infection?

With proper treatment, symptoms often improve significantly within a week. Recovery time varies depending on the cause and individual health. Keeping good hygiene practices helps preventing infection.

Q: How to clean private part during inflammation?

For mild symptoms, it is recommended to use povidone-iodine vaginal cleansers. For severe symptoms, consult a doctor and follow medical advice.

Q: What should be avoided to eat during inflammation?

Avoid refined sugars and high-sugar foods, which may worsen symptoms. Also limit high-fat, salty, or spicy foods that may promote inflammation. Stick to a light, clean diet.

Q: What if vaginal infections keep recurring?

In addition to medical treatment, evaluate personal habits and lifestyle and find the causes. Improve daily routines, hygiene practices, and diet to reduce recurrence.

 

 

 

Reference

Hellberg D, Nilsson S, Mårdh PA. Bacterial vaginosis and smoking. Int J STD AIDS. 2000 Sep;11(9):603-6. doi: 10.1258/0956462001916461. PMID: 10997505.


Nelson TM, Borgogna JC, Michalek RD, Roberts DW, Rath JM, Glover ED, Ravel J, Shardell MD, Yeoman CJ, Brotman RM. Cigarette smoking is associated with an altered vaginal tract metabolomic profile. Sci Rep. 2018 Jan 16;8(1):852. doi: 10.1038/s41598-017-14943-3. PMID: 29339821; PMCID: PMC5770521.

Graziottin A. Maintaining vulvar, vaginal and perineal health: Clinical considerations. Womens Health (Lond). 2024 Jan-Dec;20:17455057231223716. doi: 10.1177/17455057231223716. PMID: 38396383; PMCID: PMC10894559.

Sherrard J, Wilson J, Donders G, Mendling W, Jensen JS. 2018 European (IUSTI/WHO) International Union against sexually transmitted infections (IUSTI) World Health Organisation (WHO) guideline on the management of vaginal discharge. Int J STD AIDS. 2018 Nov;29(13):1258-1272. doi: 10.1177/0956462418785451. Epub 2018 Jul 27. PMID: 30049258.