Fungal nails (onychomycosis) may be caused by many species of fungi, but the most common is Trichophyton rubrum. Distal subungal onychomycosis starts as a discolored area at the nail's corner and slowly spread toward the cuticle. In proximal subungal onychomycosis, the infection starts at the cuticle and spreads toward the nail tip. Yeast onychomycosis is caused by Candida and may be the most common cause of fungal fingernail. Read more: Fungal Nails Article
Multimedia: Slideshows, Images & Quizzes
Ringworm: Treatment, Pictures, Causes, and Symptoms
What is ringworm? How do you get rid of ringworm? View ringworm (tinea) pictures and learn about ringworm treatment, causes,...
Common Causes of Foot Pain
Learn about common causes of foot pain such as bunions, corns, athlete's foot, plantar warts and more. Get the latest information...
How Diabetes Can Affect Your Feet
Learn more about diabetes related foot problems. For people with diabetes, too much glucose in the blood can cause serious foot...
Nail Color and Texture: What Nails Say About Your Health
Nails may be a sign of disease in the body. Nails of abnormal color (pale, white, yellow, or bluish) may relate to an internal...
Fungus Among Us: What to Know About Fungal Infections in Pictures
Protect yourself from different fungal infections like ringworm, athlete's foot, and jock itch. Discover how to treat fungal...
Picture of Onycholysis
Loosening of the nail from the nail bed, usually starting at the border of the nail. See a picture of Onycholysis and learn more...
Picture of Onychomycosis (Fungal Nail Infection)
The most common fungus infection of the nails is onychomycosis. See a picture of Onychomycosis (Fungal Nail Infection) and learn...
Picture of Ringworm of the Nails
This is the most common fungal infection of the nails, also called onychomycosis. See a picture of Ringworm of the Nails and...
Picture of Ringworm Tinea Unguium (Onychomycosis)
Tinea unguium (fungal infection of the nails) is somewhat uncommon during childhood. See a picture of Ringworm Tinea Unguium...
Picture of Fungal Nail Infection
Nails that are infected with a fungus may become discolored (yellowish-brown or opaque), thick and brittle, and may separate from...
Picture of Fingernail Anatomy
A fingernail is produced by living skin cells in the finger. See a picture of Fingernail Anatomy and learn more about the health...
Picture of Types of Ringworm
Ringworm is a common skin disorder otherwise known as tinea. See a picture of Types of Ringworm and learn more about the health...
Weird Body Quirks in Pictures: Brain Freezes, Hiccupping, & More
Ice cream brain freeze, hiccups, charley horses, vertigo--what's behind these weird body quirks anyway? Our experts explain...
Bad Gross-outs for Teen Boy's Locker Room in Pictures
Team spirit isn't the only thing that grows in locker rooms. From yellow toenails and itchy rashes to body odor and smelly gear,...
Foot Problems: Why Are My Toenails That Color?
What can the color of your toenails tell you about your health? Watch for these shades to know if you need to talk to your doctor....
Related Disease Conditions
The term "ringworm" or "ringworms" refers to fungal infections that are on the surface of the skin. A physical examination of...
Psoriasis is a long-term skin condition that may cause large plaques of red, raised skin, flakes of dry skin, and skin scales....
Athlete's foot (tinea pedis) is a skin infection caused by the ringworm fungus. Symptoms include itching, burning, cracking,...
Diabetes (Type 1 and Type 2)
Diabetes is a chronic condition characterized by high levels of sugar (glucose) in the blood. The two types of diabetes are...
Ingrown Toenail (Onychocryptosis)
Ingrown toenails are caused by the growth of the toenail into the surrounding nail fold. Symptoms and signs include toe pain,...
Neutropenia (Causes, Symptoms, Ranges, Treatment)
Neutropenia is a marked decrease in the number of neutrophils, neutrophils being a type of white blood cell (specifically a form...
Diabetes and Foot Problems (Treatment)
Diabetes related foot problems can affect your health with two problems: diabetic neuropathy, where diabetes affects the nerves,...
Second Source article from WebMD...
Local ResourcesFind a local Dermatologist in your town
Treatment & Diagnosis
Medications & Supplements
Prevention & Wellness
- Foot Fungus on the Run But Race Has a Long Way to Go
- 4 Steps for Healthier Nails
- When Is It Nail Fungus?
- How Savvy Are You About Nail Care Safety?
- Health Tip: Identifying Nail Fungus
- Skin Diseases Take Big Slice Out of America's Health, Economy
- Health Tip: Recognizing Toenail Fungus
- Health Tip: Recognizing Signs of Nail Fungus
- Health Tip: Prevent Toenail Fungus
- Health Tip: Protect Against Infection From Artificial Nails
- Researchers Find Stem Cells That Help Nails Regenerate
- Nail Fungus Drug Might Help Against HIV, Study Suggests
- Nails Need Love, Too
- Health Tip: Keep Toenails Healthy
- Health Tip: Protect Your Feet From Fungal Infection
- Health Tip: Prevent a Fungal Nail Infection
Subscribe to MedicineNet's General Health Newsletter