Sophia Delgado
Fungal nail infections are common and can affect both finger and toe nails. Fungi that live in the environment enter through small cracks in the nail or the nearby skin, causing infection. Toenails are more frequently affected than fingernails because fungi thrive in dark, warm and moist environments. However, fingernail infections are also possible, especially in those with weakened immune systems.
| Characteristics | Values |
|---|---|
| Types of fungal nail infection | Distal or lateral subungual onychomycosis, White superficial onychomycosis, Proximal subungual onychomycosis, and Candidal onychomycosis |
| Appearance | Yellow or white spots under the nail, nail becomes thickened, distorted, brittle, and crumbly |
| Causes | Fungi that live in the environment enter through small cracks in the nail or nearby skin |
| Treatment | Antifungal medication, oral antifungals, topical antifungals, surgery, laser treatment |
| Prevention | Keep nails well-trimmed and clean, avoid walking barefoot in places where fungus spreads easily, such as gym showers and swimming pools |
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What You'll Learn
- Toenail fungus is more common than fingernail fungus
- Fungi enter through cracks in the nail or nearby skin
- Symptoms include discolouration, thickening, and distortion
- Treatment options include oral antifungals, topical solutions, and laser therapy
- Prevention includes keeping nails trimmed, clean, and avoiding damp environments
Toenail fungus is more common than fingernail fungus
Onychomycosis, or tinea unguium, is a fungal infection that affects either the fingernails or toenails. While both types of nails can be affected, toenail fungus is more common than fingernail fungus. This is because fungi thrive in dark, warm, and moist places, and your toes have less blood flow than your fingers, making it harder for your body to detect and prevent an infection.
Fungal nail infections usually start at the outer edge of the nail and spread to the nail bed and underside of the nail, causing it to become discoloured, thickened, distorted, and brittle. The nail may turn white or yellow, and the infection can make the nail fragile, leading to crumbling and pieces breaking off. In some cases, the whole nail can lift off, causing the skin around it to become swollen and painful.
Toenail fungus is often associated with wearing trainers for long periods, resulting in hot and sweaty feet. Walking barefoot in places like gym showers, swimming pools, and locker rooms can also increase the risk of contracting toenail fungus, as these are places where fungi can spread easily.
Treating toenail fungus can be more challenging than fingernail fungus. Topical treatments, such as antifungal nail lacquer or solutions brushed onto the nail, are typically ineffective in curing toenail fungal infections because they cannot penetrate deep enough into the nail. Oral antifungal medications are often necessary to treat toenail fungus effectively, and the treatment duration is longer than for fingernail fungus, usually lasting around 12 weeks compared to six weeks for fingernails.
While toenail fungus is more common, it's important to note that fungal nail infections can affect both toenails and fingernails, and proper diagnosis and treatment are essential for effective management.
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Fungi enter through cracks in the nail or nearby skin
Fungi are tiny organisms that can only be seen through a microscope. They are present in and on the body alongside various bacteria. Usually, they do not cause any trouble, but when they begin to overgrow, they can enter the body through small cracks in the nail or the nearby skin, causing a fungal infection. This is known as mycotic nails, which is caused by fungal organisms.
Fungal nail infections are common and can affect any part of the body. They can develop in both finger and toenails, although toenails are more susceptible due to the darker, warmer, and more moist environment, which is ideal for fungi. Additionally, the reduced blood flow in the toes compared to the fingers makes it harder for the body to detect and prevent infections.
Fungal nail infections can be caused by various organisms, including dermatophytes, which contribute to 80-90% of cases. Other causes include nondermatophyte molds (2-10% of cases), yeast (2-11%), and various species such as Epidermophyton floccosum, Microsporum, and Trichophyton.
These infections often start mildly and can be challenging to notice initially. Over time, the entire nail can turn white, yellow, green, or black, thicken, become difficult to trim, curl up or down, loosen from the nail bed, become brittle, and crumble. In addition, the affected nail may emit a foul odour, and walking may become difficult if the infection is severe.
Fungal nail infections can be treated with prescription-strength oral antifungal medications, which are the fastest and most effective way to address the issue. Topical antifungals, such as antifungal nail lacquer or topical solutions, are also available. However, these treatments may not be effective for more serious infections as they cannot penetrate deep enough into the nail. In such cases, surgery may be necessary to remove the infected nail entirely and allow a healthy nail to grow in its place.
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Symptoms include discolouration, thickening, and distortion
Onychomycosis, also known as tinea unguium, is a fungal infection that affects the fingernails or toenails. It is caused by fungi that live in the environment and enter through small cracks in the nail or the nearby skin. The medical term for this infection is "mycotic nails", which refers to an infection with a fungus or a disease caused by a fungus. About 10% of the general population will experience mycotic nails at some point in their lives, and it becomes more common with age.
Mycotic nails can cause the nail to become discoloured, thickened, and distorted. The nail may change colour, turning yellow or showing white and/or yellow streaks. The nail may also become thick, fragile, and prone to crumbling. In some cases, the nail may separate from the nail bed, a condition known as distal or lateral subungual onychomycosis, which is the most common type of fungal nail infection. This condition can affect both the fingernails and toenails, starting in the nail bed and spreading to the centre of the nail.
Another type of fungal nail infection is white superficial onychomycosis, which is less common and primarily affects the nail surface of the toenails. This infection creates well-defined white spots on the nail, which eventually cover the entire nail, making it rough, soft, and prone to crumbling. Proximal subungual onychomycosis is a rare form of infection that usually affects individuals with compromised immune systems. It first appears as white spots in the centre of the nail bed and moves outward as the nail grows.
Fungal nail infections can be challenging to treat, and topical medications are often ineffective in curing more serious infections. Prescription-strength oral antifungal medications are typically the most effective treatment option. It is important to consult a healthcare provider for proper diagnosis and treatment.
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Treatment options include oral antifungals, topical solutions, and laser therapy
Fingernail and toenail fungus are both caused by fungi, which enter through small cracks in the nail or the nearby skin. Toenails are more susceptible to fungal infections due to the darker, warmer, and more moist environment, as well as reduced blood flow, making it harder for the body to detect and prevent an infection.
If you suspect you have a fungal infection, it is important to see a doctor. Treatment options include oral antifungals, topical solutions, and laser therapy.
Oral Antifungals
Oral antifungals are typically prescribed as pills to kill the fungus in your body. This is considered the most effective way to treat a nail infection. The treatment duration depends on the type of infection, lasting about 2 months for fingernails and 3 months for toenails. Examples of oral antifungals include terbinafine, caspofungin, and anidulafungin.
Topical Solutions
Topical antifungals are applied directly to the nails by rubbing or brushing. They are effective for mild infections but may not penetrate deep enough for more severe cases. Topical treatments can be used in combination with oral medication. Examples of topical solutions include antifungal nail lacquer, creams, ointments, gels, and sprays.
Laser Therapy
Laser therapy, specifically non-ablative laser therapy, has emerged as a potential alternative treatment option. It is considered safe and does not have the disadvantages associated with drug-based treatments. However, the efficacy of laser therapy for nail fungus is still a subject of debate.
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Prevention includes keeping nails trimmed, clean, and avoiding damp environments
Keeping your nails clean and well-maintained is a great way to prevent nail fungus. Fungi are tiny organisms that can enter through small cracks in your nail or the nearby skin, causing infection. They thrive in dark, warm, and moist environments, so it's important to keep your nails clean and dry.
Trimming your nails regularly is an effective way to prevent nail fungus. When trimming your toenails, cut them straight across and keep them shorter than the end of your toes. Fingernails should also be kept short to prevent fungi and other germs from getting under your nails. Sanitize your nail clippers by washing them with soap and water, then wiping them with rubbing alcohol.
In addition to keeping your nails trimmed and clean, it's important to avoid damp environments that may promote the growth of fungi. Avoid walking barefoot in places where fungal infections can spread easily, such as communal showers, locker rooms, gyms, spas, and public pools. Instead, wear flip-flops or shower sandals in these areas to protect your feet from coming into direct contact with potential sources of infection.
Practicing good hygiene and taking precautions in damp environments can significantly reduce your risk of developing nail fungus. By keeping your nails trimmed and clean, you can create an unfavourable environment for fungi to thrive and effectively prevent nail infections.
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Frequently asked questions
A fungal nail infection is caused by fungi that live in the environment and enter through small cracks in the nail or the nearby skin. It can affect both the toenails and fingernails. The medical term for a fungal nail infection is onychomycosis.
The infection causes the nail to become discoloured, thickened, distorted, and brittle. It may also cause pain or discomfort. The nail may turn white or yellow and spread from the edges to the centre.
Treatment for a fungal nail infection depends on its severity. Mild cases may not require treatment. For more severe infections, antifungal medication is recommended. This can come in the form of tablets or topical solutions applied directly to the nail. In some cases, surgery may be required to remove the nail entirely.
