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Oral Candidiasis - Clinical Presentation, Causes, Treatment, and Prevention

Published on Jun 02, 2019   -  2 min read

Abstract

This article discusses fungal infection known as oral candidiasis. It is the most common opportunistic infection of the oral cavity.

Oral Candidiasis - Clinical Presentation, Causes, Treatment, and Prevention

Oral candidiasis is the most common opportunistic infection of the oral cavity, which is observed mostly in patients who have low immunity like HIV, diabetic patients, and those who belong to older age group wearing dentures. Though there are several Candida species, Candida albicans is most commonly associated with it.

Clinical Presentation:

It presents as curd-like, atrophic, speckled, and hyperplastic lesion. Accordingly, there are several types of candidiasis. These are:

Causes:

There are several causes associated with it, which are:

Diagnosis:

Clinical examinations followed by investigations are usually done to diagnose this condition. Usually, the scrapping of lesion exposes the erythematous red surface beneath which distinguishes it from leukoplakia. The culture of the lesion shows the presence of fungi. Other investigations like complete blood count, glucose levels, hemoglobin estimation, and various tests for antibodies reveal underlying diseases like diabetes, anemia, leukemia, and autoimmune disorders.

Management:

The management requires multipronged strategy depending upon the cause. The various strategies are:

Prevention:

Several preventive measures can be taken to prevent the infection. These are:

  1. Susceptible patients to visit the dentist after two to three months for a general checkup.
  2. Older people to remove dentures for some time, particularly during the night.
  3. Washing dentures after eating.
  4. Complete cessation of smoking in susceptible cases.
  5. Vitamin supplementation by proper diet among older adults, undernourished, and medically compromised patients.
  6. Use of prophylactic mouthwash like Hexidine on the recommendation of a registered dentist to prevent the growth of fungus in high-risk patients.

Remember: "Prevention is always better than cure."

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Frequently Asked Questions


1.

What Symptoms Do Candida Cause in Mouth?

Burning sensation of the mouth, pain in the mouth during eating, creamy white patches on the gums, inner cheeks, tongue, palate, and throat that can be rubbed off to reveal red spots underneath, mouth sore, redness, reduced or no taste sensation, and cracked corners of the mouth are the presenting features of oral candidal infection.

2.

What Confirms Oral Candidiasis?

Diagnostic investigations for oral candidiasis include a visual inspection of the creamy white curd-like intraoral patches involving the gums, palate, cheeks, tongue, bacterial cultures, and microscopic examination of the smeared scrapped off white plaques. A potassium hydroxide preparation reveals spores and non-septate mycelium. Also, the intraepithelial pseudomycelia of Candida albicans can be identified in the biopsy.

3.

How to Identify Oral Thrush?

There are creamy curd-like white patches or plaques over the gingiva, roof of the mouth (palate), tongue, and inner cheek in oral thrush. These white plaques are easily scraped off or removed upon which it reveals an erythematous area, and gingival redness indicates oral thrush.

4.

How Does Oral Thrush Feel?

Oral thrush causes the burning sensation of the mouth, bad taste, discomfort with spicy food, mouth soreness, and painful cracks at the corners of the mouth.

5.

Does Oral Thrush Spread From One Person to Another?

Oral thrush does not spread from one person to another. It occurs when there is poor body immunity, poor oral hygiene, dry mouth, and prolonged steroid or antibiotic therapy.
The causative organism of oral thrush, Candida species, is present in everyone’s oral cavity and skin in normal conditions. Upon favorable conditions, they grow and multiply to cause oral thrush.

6.

How Does One Get Oral Thrush?

Oral thrush occurs due to a weak immune system, excessive use of inhaled or systemic steroids, diabetes, smoking, long-term antibiotic therapy altering the oral microbial environment, altered immunity in people with cancer, HIV, etc., and poor oral hygiene.

7.

Why Does Oral Thrush Occur?

Yeast or fungal (Candida species) infection of the oral cavity leads to oral thrush. In conditions of immune deficiency like cancer chemo or radiotherapy, HIV, long-term steroids, etc., poor oral hygiene, smoking, and overzealous antibiotic therapy make a person susceptible to Candida infection. They alter the normal oral ecology and create conditions favorable for Candidal growth.

8.

What Other Lesions Look Similar to Oral Thrush?

- Lichen Planus.
- Leukoplakia.
- Chemical injury in the oral cavity.
- Gangrenous stomatitis.
- Genodermatoses.

9.

How to Manage Oral Thrush in Adults?

Initial removal of the underlying cause by maintaining clean dentures, removing them at night, maintaining good oral hygiene, withdrawing or changing antibiotics, discontinuing smoking, etc., must be done, followed by topical and systemic antifungal medications for seven days. Symptoms tend to disappear within five days. Chlorhexidine mouthwash can also be used regularly.

10.

Which Drug Treats Oral Thrush Effectively?

- Topical Antifungals:
Miconazole gel.
Clotrimazole.
Oral Nystatin suspension.
Amphotericin B rinse.
Mycostatin cream.
- Systemic Antifungals:
Amphotericin B.
Fluconazole.
Itraconazole (contraindicated in people taking Cisapride, Triazolam, Astemizole, and Midazolam).
Nystatin.
Ketoconazole.
- Mouthwashes:
Chlorhexidine.
Triclosan.

11.

How to Manage Oral Thrush in Toddlers?

Candidal infections in babies regress most of the time within a week or two on their own, where careful monitoring of the baby is advised. Otherwise, physicians recommend topical antifungal drops or creams to treat oral thrush in toddlers. It is advised to be applied all over the tongue and mouth with a sponge applicator.

Last reviewed at:
02 Jun 2019  -  2 min read

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