Vaginal yeast infections are remarkably common. Research suggests up to three in four women will experience at least one in their lifetime, and many women will have multiple episodes. They are caused by an overgrowth of Candida, a yeast that is normally present in the body in small amounts, when the balance of bacteria and pH in the vaginal environment shifts.
Symptoms vary in intensity but typically include a thick, white discharge described as cottage cheese-like, along with itching, burning, redness and sometimes soreness during sex or urination. If you have had a yeast infection before and recognise your symptoms, it can feel reasonable to manage it at home. Here is what is actually supported by evidence, what can help with symptoms, and what to avoid.
Over-the-counter antifungals
The only genuine treatment for a yeast infection, as opposed to symptom management, is antifungal medication. Over-the-counter options in the form of vaginal creams, pessaries or suppositories are the most accessible starting point and are broadly effective. These products contain active antifungal ingredients and typically work over a course of three to seven days. If you have had yeast infections before and are confident you recognise your symptoms, it is reasonable to use an over-the-counter product without first seeing a doctor. However, research consistently shows that most people misdiagnose themselves, even when they have had previous yeast infections, so if there is any doubt about what you are dealing with, a healthcare provider can confirm the diagnosis with a swab.
Cool compresses for symptom relief
While antifungal treatment addresses the underlying infection, external symptoms, including vulval itching and burning, can be significant and uncomfortable in the days before treatment fully takes effect. A cool, damp cloth applied to the vulva for a few minutes several times a day provides direct relief from itching and burning without any risk of disrupting the vaginal environment. This is one of the simplest and safest things you can do for immediate comfort.
A mild hydrocortisone cream on the vulva
A thin application of low-strength hydrocortisone cream on the external vulval skin can ease itching and irritation temporarily. The critical distinction here is between the vulva, the external tissue, and the vagina itself: hydrocortisone should only be applied externally and should not be inserted. Always check that any cream is indicated for use on vulval skin before applying. This is a symptom management tool, not a treatment.
Yoghurt with live cultures
The theoretical basis for yoghurt as a yeast infection intervention is reasonable: yoghurt containing live bacterial cultures supports gut microbiome health, and the gut and vaginal microbiomes are connected. A healthy vaginal microbiome, dominated by lactobacillus bacteria, is protective against yeast overgrowth. However, the evidence for eating yoghurt as a treatment for an active yeast infection is weak. The mechanism is more likely to support prevention over time than to resolve an infection that has already been established. Eating yoghurt with live cultures is a low-risk, generally beneficial dietary habit, but it should not be expected to replace antifungal treatment.
What to avoid
Several popular online remedies should be approached with caution or avoided entirely. Tea tree oil has theoretical antifungal properties, but there is no clinical evidence that it effectively treats vaginal yeast infections, and introducing any substance into the vagina carries the risk of disrupting the pH and bacterial balance. The same concern applies to hydrogen peroxide. Boric acid vaginal suppositories are now available over the counter in some pharmacies, but should not be used without medical guidance and are generally reserved for recurrent or treatment-resistant infections as part of a specific protocol. Douching should be avoided entirely: it disrupts the natural vaginal environment and increases the risk of both yeast infections and bacterial vaginosis rather than treating them.
When to see a doctor
See a healthcare provider if you are not sure whether you have a yeast infection, if your symptoms do not improve after a course of over-the-counter treatment, if you experience symptoms three or more times in a year, or if your symptoms include unusual odour, differently coloured discharge, or pelvic pain, none of which are typical of a straightforward yeast infection. A doctor can prescribe an oral fluconazole tablet, often effective as a single dose, and can investigate whether a resistant strain or underlying condition is contributing to recurrent infections.
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