External Yeast Infection

Yeast infections are very common and it is rather uncommon to find anyone who has not experienced one or the other forms of a yeast infection in their lifetimes. No matter how common they may be, they are absolutely unbearable and unpleasant most of the times. This unpleasant scenario can be due to internal and external yeast infection. This unhealthy circumstance is produced by a bunch of notorious microscopic bad bacteria, which when are small in number are considered to be rather healthy in some cases. It is only when their numbers increase due to certain prolific reasons that they contribute to various types of external infections in the body. Mostly they infect the vaginal area but other than that, areas under breasts, nails, folds of the skin, and even under the penis foreskin of men can get significantly affected.

External Yeast Infection
External Yeast Infection

Types of External Yeast Infection

  • When yeasts use keratin as food- Some external yeast infection use the body’s natural keratin present on skin as food, hair or nails and thrive there.

  • Life-threatening infections- These infections are only prevalent in case of patients suffering from diseases that affect the immunity of the human body.

  • Infection due to traumatic injuries- Some external yeast infections occur in wounded areas which are left open after accidents can get infected with Candida and cause yeast infections.

These infections are mostly caused by dermatophytes (fungus) which along with its three main species has 40 different sub-species of fungi. Dermatophytes can easily infect external parts and give rise to toe nail fungus, jock itch, athlete’s foot, dandruff, ringworm, and some other forms of infection. Such infections infect about 15% of the entire population on Earth, and are on the rise.


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What are the Types of Fungi That Generally Cause Yeast Infections?

Certain parts of the body are more prone to yeast infection than others. Areas where there is more moisture, and is comparatively hotter than other parts can get infected easily by Candida albicans, which seems to be one of the most common forms of yeast infection, be it internal or external. Individuals comparatively healthier than others can get infected from Candida parapsilosis and Candida guilliermondiiin, in the areas without much hair, while Candida topicalis and Candida albicans easily infect those who have some other form of disease as well, which could be due to gut problems or something else.

Some studies even link external yeast infection such as toe nail fungus to blood cholesterol levels, where they find that treatment of such fungus has led to reduced level of cholesterol in blood.  Candida albicans has been found to cause dry and reddish skin or cracked skin around the mouth, diaper rash as well as perleche.


Other Effects of Yeast Infection

While not all rashes can be blamed on yeasts, it has been observed that treatment of all kinds of yeast infection, whether internal or external, can absolve a patient from other skin related issues. Psoriasis has been tagged as something incurable but while it is not directly caused by Candida yeast, it was found and thought to have been caused by mycotoxins of other yeasts. Hence skin related issues like rashes and lesions can be a clear indication of internal yeast infections, although sometimes they themselves are caused by yeasts like dermatophytes which thrive superficially when they find the right environment.


Why Does the Yeast Infect?

Basically, these Candida infections generally occur due to their fungal properties, and they are found in smaller numbers in the crotch region in women. However, there are times and situations which help these fungi to grow in multitudes producing unhealthy circumstances. Some of those scenarios favouring yeast multiplication would be:



  • Some sort of cut, wound or injury

  • Diabetes

  • Increased humidity and temperature

  • Increased blood sugar levels

  • Alterations in the hormonal balance

  • Decrease in the number of the good bacteria.

  • Due to sexual transmission, HIV etc.


Common symptoms in all yeast infections:

Popular symptoms which indicate the presence of such infections include itchiness, swelling in the affected region, burning sensation, red bumps, irritation and sense of un-pleasance during intercourse, discomfort during urinal discharge, and white cheesy discharge from the vaginal area and so on.


Agents Causing External Yeast Infection

It is very easy to get internal and external yeast infections as well from public places like swimming pools, washrooms and from animals as well, mainly from cats. Also a poor diet, weak immune system, and stress can trigger external yeast infections as well. Taking regular baths, getting plenty of exercise, and cutting back high sugar foods are the first steps one should take to stop to limit this infection. However, to cure the illness, there are a number of great home remedies around, including taking probiotics and natural yogurt. Learn more about home remedies here<


Antifungal peptides – Journal of Peptide Science – 2017 – By Ng SM, Yap YY, Cheong JW, Ng FM and Lau QY
Infectious risk related to multi-species (Candida/bacteria) – Medical Mycology Journal – 2017 – By Seghir A, Boucherit-Otmani Z, Sari-Belkharroubi L and Boucherit K
Candida species biofilms – Microbial Pathogenesis Journal – 2017 – By Souza ME, Lopes LQ, Bonez PC, Gündel A and Martinez DS


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