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Thrush (Vaginal Candidiasis)

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What Is Thrush?

Vaginal thrush is a very common yeast infection caused by a fungus called Candida. This yeast is normally present in the vagina, but certain factors can cause it to multiply and lead to symptoms.

Thrush is not a sexually transmitted infection (STI), although symptoms can sometimes appear after sex.

What Causes Thrush?

Thrush is caused by an overgrowth of a yeast called Candida. Factors which can cause thrush include:

  • Recent antibiotic use
  • Pregnancy or other times of hormonal changes
  • Poorly controlled diabetes
  • Immunodeficiency (weakened immune system)
  • Wearing tight clothing or non-cotton underwear

What Are the Common Symptoms of Thrush?

  • Itching or irritation around the vagina and vulva
  • Thick, white vaginal discharge (often described as cottage cheese-like)
  • Redness or swelling of the vulva
  • Burning sensation, especially when urinating
  • Pain or discomfort during sex
  • If prolonged and troublesome, thrush can lead to psychosexual issues or reduced quality of life

Up to 20% of women may carry Candida without any symptoms, this does not require treatment.

How Is Thrush Diagnosed?

Diagnosis is usually based on symptoms.

A vaginal swab or sample can be arranged by a healthcare professional to confirm the diagnosis.

During an online GP consultation, we can:

  • Assess symptoms and risk factors.
  • Provide treatment advice or prescriptions if needed.
  • Advise if your partner needs treatment.

NB. You may need in-person assessment if the diagnosis is unclear and a physical examination/swab is required.

When to Seek Urgent Medical Help

  • You are pregnant
  • You experience unusual symptoms (e.g., foul-smelling discharge, irregular bleeding, fever, pelvic pain)

What Are Treatment and Management Options?

Self-Care and Home Management

  • Wearing cotton underwear
  • Avoiding tight clothing
  • Keeping the genital area clean and dry
  • Avoiding scented soaps, douches, or vaginal sprays
  • Managing underlying conditions such as diabetes

Treatment from a GP

A GP can help with:

  • Confirming the diagnosis.
  • Arranging tests.
  • Prescriptions for antibiotic tablets or gels or pessaries.
  • Advice regarding partner testing/treatment.
  • Discuss a maintenance treatment plan for recurrent infections.
  • Advice on when symptoms may indicate complications.

When Referral Is Needed

You may need further assessment if symptoms persist, worsen despite initial care, or the diagnosis is unclear.

How Dr.Online UK Can Help

We offer:

  • Same-day online GP appointments.
  • Expert assessment and guidance.
  • Private prescriptions (when appropriate).
  • Fit notes or referral letters.
  • Clear advice on whether you need in-person care.

Ready to speak to a GP? Book a same-day appointment with Dr.Online UK.

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