There is a sentence in the advertisement of "Bright Nail": "You have onychomycosis, and one is contagious". Onychomycosis refers to onychomycosis. What caused it? ( )

Onychomycosis is a nail infection caused by dermatophytes, yeasts and non-dermatophytes. So you should choose C.

Gray finger (toe) nail, the name of Chinese medicine disease. This is a kind of onychomycosis. The clinical feature is that the nails are withered, thick and gray, and look like moths. It is usually caused by the wind of goose's feet or the moisture of feet. Few people suffer from onychomycosis. This disease mostly occurs in adults. This disease is equivalent to what western medicine calls onychomycosis.

clinical picture

1, often a single attack, gradually involving other nails. Many people have a history of tinea of hands and feet.

2. It first occurred at the distal end of the nail and gradually developed to the root of the nail. The bottom of the deck is thick, dim and gray, taupe or muddy yellow. The deck is fragile, the surface is uneven, the deck can be separated from the nail bed, some keratinized scales accumulate under the nail, or it is characterized by paronychia and nail bed inflammation, and the nail is flushed and swollen, but there is no obvious pain. Sometimes a small amount of effusion can be seen.

3. Generally, there are no obvious symptoms. However, if the nails are too thick, it can also cause pain.

4. At the beginning of the disease, there are 1-2 fingernails, and in severe cases, all fingernails will be involved. The course is lingering.

Extended data:

Diagnostic basis

1, with a history of gooseberry wind or foot moisture.

2. At first, 1-2 fingernails were infected, and in severe cases, all fingernails were infected.

3. Fingernails lose luster, gradually thicken or shrink, separate from nail bed, or claw nails are hollowed out or incomplete, or claw nails are deformed, and the deck becomes brittle, damaged and uneven.

4. No obvious symptoms.

5. Microscopic examination of nail shavings and other shavings shows spores or hyphae.

China medicine information query platform-onychomycosis