Causes of skin fungus infection and how to prevent it

There are many types of skin fungi that affect all parts of the human body, as these fungi live on the skin, so they are a common cause of many infections that affect the skin, especially since these fungi prefer to live in hot and humid places. from the body and thus can cause many health problems if it spreads. Through this article, we will learn about the types of skin fungi and their causes.


Skin fungi develop in skin folds such as (armpits, breast folds and mucous membranes such as the mouth and genital area). They are also among the most common organisms around us, infecting humans, plants, and animals in various forms.

In addition, the causes of skin fungi vary and can be affected by external and internal factors, including what can be seen with the naked eye, and some that can only be seen under a microscope due to their small size.

  • Types of dermatophytes

There are many types of dermatophytes, including:

  • Ringworm fungi

It is a red, ring-shaped rash that appears on the skin or scalp.

  • vaginal yeast fungi

It is a fungal infection called vaginal candidiasis that causes severe itching and skin irritation in the tissues of the vaginal opening.

  • Athlete’s foot fungus

Feet are affected by excessive sweating or constantly getting wet from heat and humidity.

tinea cruris

It is a fungal infection that affects the skin, especially the skin of the thighs, between the genitals and the buttocks, which results in severe itching with the appearance of a pink or red rash.

Causes of infection with different types of skin fungi

There are many factors and causes that increase the chances of infection with skin fungi, including:

  • Excessive use of antibiotics causes yeast infections due to the elimination of normal bacteria.
  • Obesity, which increases the risk of skin fungus infection due to skin folds in certain areas of the body.
  • Diabetics and pregnant women are more susceptible to skin fungus.
  • Touching things contaminated with fungi such as (clothes, towels, and furniture).
  • Direct contact with animals and people with a fungal infection.
  • Weather humidity and temperature.
  • Wear tight clothing that does not absorb sweat.
  • Untreated skin wounds.
  • Do not dry skin after showering and exposing yourself to water frequently.
  • Weakened immune system.
  • Hereditary infection.
  • Lack of personal hygiene.

Symptoms associated with different types of skin fungi

Symptoms of skin fungus depend on the type of fungus, but there are some common symptoms that are associated with different types of skin fungi, including:

  • The appearance of blisters or spots on the skin.
  • bacterial secretions.
  • Intense itching in some affected areas of the body.
  • uncomfortable.
  • The appearance of colored spots.
  • Skin redness, cracking, and peeling.
  • skin irritation

Diagnostic tests for fungi aim to identify the types of skin fungi that affect the skin, and include the following:

  • partial diagnosis
  • It is an examination that takes a pure sample of fungal cells and provides them with a sufficient amount to complete the examination, as this test works on the polymerase chain reaction.
  • Fungal culture analysis
  • This type of test uses a fungal culture to detect a fungal infection that affects the surface of the skin, through the following steps:
  • Scraping a small section of the nail and skin to reveal the infection of the skin and nails.
  • Taking a swab of oral and vaginal fluids to detect oral and vaginal infections.
  • Blood test to detect the most dangerous fungi.
  • Examination of sputum culture to detect fungal infection in the lungs.
  • Urinalysis to detect vaginal infection.
  • Direct microscopy
  • This examination is done in several ways, namely:
  • Dyed dry swab.
  • The moisturizing pad is undyed.
  • Biopsy histology.

This test is done to detect types of skin fungus or fungal skin infection if the following are present:

  • The fungus comes out of the hair.
  • Fungus in the hair.
  • Detailed experts.
  • articulated types.
  • fungal hyphae.

When is a skin fungus test performed?

The doctor will order a skin fungus test if the following symptoms appear:

  • Muscle pain accompanied by chills.
  • Skin rash with severe itching.
  • White spots inside the mouth.
  • fast heartbeat
  • vaginal secretions

Can fungi infect the nose?
Skin fungus is a common condition that affects all parts of the body, including the upper and lower respiratory tract and the nose, due to the constant inhalation of fungi and their entry into the sinuses and lungs.

Types of skin fungi that affect the nose
There are several types of skin fungi that affect the nose, including:

Allergic fungal sinusitis
It is a common fungal disease that affects the sinuses, so those with this infection suffer from polyps, asthma, and certain allergies, and in some cases it leads to chronic sinusitis.

Invasive fungal sinusitis
A type of fungal infection that severely affects the lining of the nose and sinuses and can lead to tissue damage in the affected area.

Chronic invasive fungal sinusitis
This type of fungal infection spreads and grows very slowly and can affect people with weakened immune systems.

Non-invasive fungal sinusitis
This type is usually limited to the sinus and nose area, and has two types:

fungal balls
A type of fungal infection in which isolated sinuses near the nose are filled with a large collection of fungal excrement.

fungal colonization
It is a group of microscopic fungi known as “mycorrhiza” in the scales of the nose.

Fungal granulomatous sinusitis.
It is one of the rare types of nasal dermatophytes in most countries of the world, as its presence is mostly limited to some regions such as Sudan and its neighboring countries.

Invasive fungal sinusitis
It is called nasal mold fungus, and it is a type of fungal infection that affects people who have undergone chemotherapy for cancer, or some cases of diabetics.

Symptoms of nasal fungus
There are many symptoms that accompany acute and chronic inflammation, including the following:

  • Swelling of the nasal cavity.
  • Weakness in the sense of smell.
  • Mild rash.
  • Postnasal drip.
  • Pain all over the body.
  • Runny nose and cough.
  • headache.
  • Also read: “Tenia and its relationship to ear fungus.” Causes and symptoms

Diagnosis of nasal fungus
When visiting a doctor, he performs several procedures in order to diagnose a fungal infection in the nose, and these procedures include the following:

Do a sputum test
In this test, a sample of mucus is taken and analyzed.

blood test
This test is known as the radioactive adsorption test to measure the level of immunity, by taking an amount of a specific type of antibody in the blood, and then examining its sensitivity to some types of skin fungi.

Imaging tests
This examination is necessary if fungal sinusitis is suspected, and is based on x-rays.

This test is done by taking a sample from the lungs or sinuses and examining it under a microscope to check for a fungal infection.

Skin test
This test is done by pricking the arm with a combination of mild, diffuse allergens.

Nose fungus treatment
Surgery may be the best treatment to get rid of some types of nasal skin fungi, such as fungal sinusitis, so it is necessary to know the type of infection, by conducting a diagnosis, and the doctor determines the appropriate treatment for the type of fungus. infection.

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