What Is Nail Fungus?
Nail fungus is a fungal infection of the fingernails or toenails. It often begins as a yellow or white spot beneath the tip of the nail. If left untreated, the infection can spread deeper into the nail, causing it to thicken, crumble, or become discolored. Nail fungus can also lead to pain. While nail fungus can affect anyone, it is rare in children under six, and factors like age, lifestyle, and health play a significant role in its development.
CAUSES
Nail fungus develops when microscopic organisms called fungi infect a nail. This can happen through:
- Direct contact with someone who has a fungal infection (e.g., ringworm or athlete’s foot).
- Sharing nail clippers with an infected person.
- Small cuts or cracks in the skin around the nails, providing entry points for fungi.
- Separation of the nail from the nail bed or cracks in the nail itself.
RISK FACTORS
The risk of developing nail fungus increases with:
- Health conditions:
- Athlete’s foot or other fungal skin infections.
- Diabetes.
- Psoriasis.
- Poor circulation in the hands or feet.
- Weakened immune system.
- Cancer treatment with chemotherapy.
- Previous organ transplant.
- Lifestyle factors:
- Smoking.
- Spending extended periods in water.
- Walking barefoot in warm, humid environments like locker rooms, pools, or public showers.
- Frequently wearing tight, closed-toe shoes that cause sweating.
- Using plastic gloves for prolonged periods.
- Regularly having wet hands or feet throughout the day.
- Environmental factors:
- Living in hot and humid climates.
SYMPTOMS
- Yellow or white spots beneath the tip of the nail.
- Thickened, crumbling, or discolored nails.
- Pain in the affected nails.
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