Are Yeast Infections Sexually Transmissible? Here's What to Know

Are Yeast Infections Sexually Transmissible? Here's What to Know

By Dr. Marcus Chen, Ph.D.

January 24, 2025 at 04:49 PM

Yeast infections are not sexually transmitted infections (STIs), but they can be passed to partners during sexual activity. Waiting until symptoms clear before resuming sexual activity is recommended.

Couple sleeping peacefully under white covers

Couple sleeping peacefully under white covers

Common risk factors for yeast infections include:

  • Being sexually active
  • Recent antibiotic use
  • Diabetes
  • Pregnancy
  • Taking estrogen after menopause
  • Weak immune system
  • Genetics

Types of Yeast Infections and Their Symptoms:

Vaginal Yeast Infections:

  • Burning sensation
  • Itching
  • Pain during sex
  • Painful urination
  • Redness and swelling
  • Thick, white, odorless discharge

Penile Yeast Infections:

  • Less common than vaginal infections
  • May be asymptomatic
  • Can cause balanitis (penis head inflammation)
  • Itchy rash (occurs in 15% of cases after unprotected sex)
  • More common in uncircumcised individuals

Oral Thrush:

  • Itchy mouth
  • Pain when swallowing
  • Redness and soreness
  • White patches in mouth or throat

Similar Conditions That May Be Confused With Yeast Infections:

UTIs (Urinary Tract Infections):

  • Bloody, cloudy, or foul-smelling urine
  • Increased urination frequency
  • Pain while urinating
  • Lower abdominal pressure
  • Cannot be transmitted to partners

Bacterial Vaginosis (BV):

  • Thin, gray or white discharge
  • Fishy odor
  • Vaginal itching
  • Burning during urination
  • Can spread between partners with vaginas

Treatment Options:

  • Consult healthcare provider for accurate diagnosis
  • Prescription antifungal medication (fluconazole)
  • Over-the-counter options:
    • Creams
    • Ointments
    • Suppositories
    • Tablets
  • Treatment duration: 1-7 days
  • Recurring infections may need 6-month treatment

Prevention During Sex:

  • Use condoms to reduce transmission risk
  • Avoid sexual activity until symptoms resolve
  • Both partners may need treatment if infection spreads

It's important to get proper medical diagnosis, as symptoms can mimic other conditions. Always complete the full course of treatment, even if symptoms improve earlier.

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