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Oral Thrush Treatment

Get expert assessment and treatment for oral thrush directly from your pharmacist — no appointment needed.

Pharmacist at Okus Pharmacy examining a patient's mouth for signs of oral thrush

Our pharmacist can assess and treat oral thrush (oral candidiasis) quickly and conveniently, without the need for a GP appointment. Oral thrush is a fungal infection caused by an overgrowth of Candida albicans in the mouth, presenting as white patches on the tongue, inner cheeks, or roof of the mouth.

Oral thrush is common and usually mild. It is more prevalent in babies, older adults, denture wearers, and people taking antibiotics, steroid inhalers, or immunosuppressant medications. People with diabetes or weakened immune systems may also be more susceptible.

Our pharmacist will assess your symptoms and, where appropriate, supply antifungal medication such as miconazole gel or nystatin suspension. Treatment is generally effective within one to two weeks. If your symptoms are severe or don't respond to initial treatment, we'll refer you to your GP for further investigation.

Following assessment, antifungal treatment can be supplied where appropriate. Please speak to our pharmacist about the options available to you.

Key Features

Discreet assessment from your pharmacist
No appointment needed — walk in during opening hours
Expert assessment from qualified pharmacist
Antifungal medication supplied if appropriate
Referral to GP if further care is needed

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Schedule your appointment online or give us a call.

Book Appointment 01793 265965

Symptoms

Signs and symptoms to look out for

Oral thrush is usually mild, and symptoms can come on gradually. You may notice one or several of the following:

White patches in the mouth

Creamy-white patches on the tongue, inner cheeks, gums or roof of the mouth. They can often be wiped away, sometimes leaving a red or slightly tender area underneath.

A red or sore mouth

The lining of the mouth or the tongue may look red and feel sore, raw or sensitive.

An unpleasant taste or loss of taste

Food and drink may taste different, or you may notice a lingering unpleasant taste in your mouth.

A cottony feeling

A dry, cotton-wool-like sensation inside the mouth is common.

Cracks at the corners of the mouth

Sore, cracked or red skin at the corners of the lips (known as angular cheilitis) can occur alongside thrush.

Discomfort eating or swallowing

Mild soreness when eating or drinking. Pain or difficulty swallowing should be checked promptly — see “when to seek further help” below.

In babies

White patches that do not rub off easily and possible reluctance to feed. A breastfeeding mother may develop sore, cracked or itchy nipples.

Causes

What causes oral thrush?

Oral thrush happens when a yeast called Candida — which lives harmlessly in most people’s mouths — multiplies more than usual. This is more likely when the natural balance in the mouth is upset. You may be more prone to it if any of the following apply:

Recently taking a course of antibiotics
Using a steroid (preventer) inhaler, especially without a spacer or without rinsing afterwards
Wearing dentures, particularly if they don’t fit well or aren’t cleaned and removed overnight
Having a dry mouth
Living with diabetes, especially if blood sugar runs high
Having a weakened immune system — for example during chemotherapy or when taking immunosuppressant medicines
Being a baby or an older adult
Smoking

Treatment

How we treat oral thrush

After a short, discreet assessment, our pharmacist can supply antifungal treatment where it’s appropriate for you. The two most commonly used options are:

Miconazole oral gel

An antifungal gel applied to the affected areas of the mouth, usually several times a day. Our pharmacist will check it’s suitable alongside any other medicines you take — for example blood thinners such as warfarin, or certain statins.

Nystatin oral suspension

An antifungal liquid that is held in the mouth and swallowed. It is often used when a gel isn’t suitable, or for babies and denture wearers.

What to expect

It’s important to finish the full course — usually around 7 days, and often continued for a couple of days after symptoms clear to stop it returning. Most cases improve within one to two weeks. If you wear dentures, clean them thoroughly and leave them out overnight while treating thrush. For babies, denture wearers, or symptoms that don’t settle, our pharmacist will recommend the most appropriate option or refer you to your GP.

Self-care

Self-care and preventing it coming back

A few simple habits can help your treatment work and reduce the chance of oral thrush returning:

Brush your teeth twice a day, clean between them, and rinse your mouth after meals
If you use a steroid inhaler, rinse your mouth or brush your teeth afterwards — and use a spacer if you have one
Clean dentures every day, take them out overnight, and check that they still fit well
Keep on top of your blood-sugar control if you have diabetes
If you smoke, cutting down or stopping can help
For babies, regularly sterilise dummies, bottles and feeding equipment

When to seek further help

Oral thrush is usually easily treated, but please see your GP or seek medical advice if:

Your symptoms don’t improve within one to two weeks of treatment, or they keep coming back
You have pain or difficulty swallowing, or feel the infection may have spread to your throat
You have a weakened immune system — for example from chemotherapy or immunosuppressant medicines
Thrush keeps returning without an obvious cause
A baby is affected and is not feeding well

If you’re ever unsure, our pharmacist is happy to take a look and point you in the right direction.

Good to know

Frequently asked questions

Is oral thrush contagious?

In healthy adults it isn’t usually passed on through everyday contact. It can, however, pass between a breastfeeding baby and mother, so both may need treating at the same time.

How long does oral thrush take to clear up?

With antifungal treatment, most cases improve within one to two weeks. Finishing the full course — even once symptoms ease — helps stop it coming back.

Can I treat oral thrush myself?

Good oral hygiene helps, but oral thrush usually needs antifungal treatment. Our pharmacist can assess your symptoms and supply treatment where appropriate, with no GP appointment needed.

Do I need to stop using my inhaler?

No — don’t stop a prescribed inhaler. Rinsing your mouth after using a steroid inhaler, and using a spacer, can lower the chance of thrush. Speak to us for advice.

Written and clinically reviewed by Tanvir Ali, MPharm — Superintendent Pharmacist & Owner. Okus Pharmacy & Health Clinic is a GPhC-registered pharmacy. Meet our pharmacist.

Last reviewed: August 2026. This page provides general health information and is not a substitute for personalised medical advice — please speak to our pharmacist about your individual circumstances.

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