When your toenails are infected by fungus or bacteria, your skin can create blisters. Blisters are balloon-like skin layers filled with fluid on the top layer of the skin. When the skin or nail layer is very thick, blisters are bound to develop because of friction. Most blisters are very painful as the fluids can burst out anytime. A person with a blister on his toenail skin walks almost like he is disabled. Any pressure on the blister can cause pain and swelling. If you have toenail fungus, your brittle nails can give a rise to painful pus-filled blisters. There are numerous reasons and possibilities of having blisters, but having a blister if you have a toenail fungus can be extremely painful, stressful, and a cause of concern.
Before we understand if toenail fungus causes blisters, let us understand the science behind it.
What are blisters?
Blisters are bubbles that collect the infected fluid in them. They usually pop when the fluid is collected. Blisters can be filled with blood, pus or serum (the watery part of the blood). You can have one or many blisters at a time. As it grows, a blister can hurt, itch, pain and swell.
- The most common cause of blisters is friction. Normally, when a person wears new boots, shoes or any tight footwear, he or she could get a blister.
- Another common cause of blisters is the weather (cold or heat): you can get a frostbite or a sunburn and that could cause blisters.
- If a person gets in physical contact with a person, thing or a plant that he is allergic to, he might have blisters as a reaction to that contact. It is also known as contact dermatitis.
- Herpes simplex, food and mouth disease, allergies and many other reasons can cause blisters.
The good thing is, most blisters get better on their own if there is no underlying cause. However, it is always advised to see your doctor if you have a toenail fungus and get a blister on it. The blister might be a sign of something worse happening in your toenail. It is suggested that one should never pop a blister.
Now let us understand how a toenail fungus can cause blisters.
Nail fungus can be on both fingernails and toenails. However, we can say that out of a 100, 80 people have toenail fungus. Toenail fungus is very common because most people ignore taking caring of their feet. Of course, their lifestyles are the busiest ones and they can’t seem to take their shoes off. Because of these moist and warm conditions, the fungi can multiply quickly. The toenail fungus can be because of:
1. Yeast infections caused by Candida albicans
2. Or Dermatophytes.
Don’t get confused. Even yeast infections are caused by fungi. The organism Candida albicans is responsible for it. It enters your skin and doesn’t bother at first. Slowly, it starts creating a red, itchy rash that may leak fluids and can also give rise to blisters. In most cases, when the yeast infection worsens, the nail comes off the nail bed and causes the nail bed to swell. Yeast infection is a type of fungal infection that should be treated immediately. With blisters and sore skin, you can imagine how walking would be like.
Dermatophyte infections can also be called tinea. Dermatophytes are fungi that live in dead cells. They can be like around scaly rash that may have blisters too. Just like the yeast infection, when dermatophyte infections become worse, the nails may split, become dull and fall off the nail bed.
When any type of fungal infection, including the toenail fungus, enters the blood, the results could be dangerous. Blisters can be a part of the consequences when the infection becomes severe. Also, whenever there is a friction between the nail and the nail bed, blisters are bound to occur.
One can have blisters even in conditions given below:`
Blistered Athlete’s foot
There are different types of toenail fungus. And when each type worsens, it causes blisters, swelling and pain. The most common toenail fungus is athlete’s foot. The people who wear shoes all the time and keep their toenails covered might get athlete’s foot. Athlete’s foot is caused by fungal infection and can cause blisters. The people who have a toenail infection are also prone to athlete’s foot. People with vesicular or blistered athlete’s foot suffer from terrible soreness and blisters on their toes. These blisters may occur because of an allergic reaction to the fungi that caused the athlete’s foot in the first place. Blisters in this infection happen usually on the biggest toe. In some cases, the people who have athlete’s foot do not get blisters but their skin becomes extremely rough and dry. Whereas in other cases, the skin may become inflamed too. Also, if the bacterial infection happens along with the fungal infection, the skin will ooze, burn, swell, and smell.
Bacteria and yeast can combine in one infection and we call it paronychia. When not treated well, one may experience severe symptoms like redness of the skin around the nails, tender nails, pus-filled blisters, changes in colour, shape and texture of the nail, and in the end the nail may even get detached from the nail bed.
So the bottom line is, no matter what type of Toenail Fungus it is, it definitely can cause blisters. So cure your toenail fungus before it creates a painful, puss-filled blister.
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