What Are the Most Common Vaginal Infections?

What Are the Most Common Vaginal Infections?

February 26, 2026 4 MINS READ
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Most women experience a vaginal infection at some point in their lives. They can be uncomfortable and inconvenient—but the good news is, they’re common, treatable, and often preventable. Understanding the cause and symptoms can help you choose the right treatment and know when to see a healthcare provider.

After all, Making Vaginas Happy is just what we do at AH! YES.

Bacterial Vaginosis (BV)

What is Bacterial Vaginosis (BV)?
BV happens when the natural balance of vaginal bacteria is disrupted. Normally, good bacteria (lactobacilli) help maintain a healthy pH, but if harmful bacteria take over, BV can develop.

Causes of BV may include:

  • Douching (just don’t!)

  • Using scented soaps or vaginal deodorants

  • Having multiple sexual partners

  • Smoking

Common symptoms:

  • Thin, watery gray or white discharge

  • A fishy odor, especially after sex

  • Mild irritation or itching

When to see a doctor:

  • It’s your first time experiencing symptoms

  • The infection keeps recurring

  • You’re pregnant, as BV can increase the risk of complications

Yeast Infection (Thrush)

What is thrush?
Thrush, or vaginal candidiasis, is a yeast infection caused by an overgrowth of Candida albicans.

Causes may include:

  • Antibiotic use

  • Hormonal changes (menopause, pregnancy)

  • Uncontrolled diabetes

  • Weakened immune system

  • Tight, non-breathable clothing

Common symptoms:

  • Thick, white “cottage cheese” discharge

  • Intense itching and irritation

  • Redness or swelling of the vulva

  • Pain during sex or urination

When to see a doctor:

  • It’s your first time having thrush

  • You’ve had it four or more times in a year

  • Symptoms don’t improve after treatment

  • You’re pregnant or immunocompromised

Vaginitis

What is Vaginitis?
Vaginitis refers to inflammation, irritation, or swelling in and around the vagina. It’s common and usually treatable once the cause is identified.

Possible causes:

  • Bacterial or fungal infections, or trichomoniasis

  • Irritants such as detergents, soaps, or spermicides

  • Hormonal fluctuations (pregnancy, menopause)

Common symptoms:

  • Abnormal discharge with unusual color or odor

  • Itching or soreness

  • Pain during intercourse

  • Burning while urinating

  • Light bleeding or spotting

When to see a doctor:
If symptoms are persistent, severe, or recurring, a doctor can identify the underlying cause and recommend the right medication.

Preventing Vaginal Infections

The key to vaginal health is maintaining a balanced pH, ideally between 3.8 and 4.5. This slightly acidic environment supports beneficial lactobacilli that protect against infections.

Top tips for prevention:

  • Avoid douching and perfumed intimate products

  • Wear cotton underwear and looser clothing

  • Eat a balanced diet and stay hydrated

  • Practice safe sex and good hygiene (wipe front to back)

When to Seek Medical Advice

See your doctor if you experience:

  • Severe itching, burning, or swelling

  • Recurrent infections despite treatment

  • Symptoms during pregnancy

  • Yellow, green, or foul-smelling discharge

Routine Checkups Matter

Regular gynecological checkups help you catch issues early. Don’t skip your Pap smears and don’t hesitate to talk with your healthcare provider if something feels off.

Caring for Your Vagina with AH! YES

Good vaginal health starts with understanding your body. Pharmacists can help with mild infections, but when in doubt...get checked.

Explore AH! YES’s full line of vulva- and vagina-friendly products, each pH-balanced and formulated to support your natural microbiome, so you can stay healthy, comfortable, and confidently yourself.

Empower yourself

Read more about the changes your body goes through during peri menopause and post menopause.