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Doctor insights on: What Is Casing My Toenail To Crack Horizontally

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Dr. Arnold Beresh
340 doctors shared insights

Toenails (Definition)

Toenails are the hard coverings at the end of the toes. Nails are made out of a protein called keratin. They function to protect the end of the toe and to increase sensitivity of touch. Good nail care is important to prevent ...Read more


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My two big toe nails have completely cracked horizontally.One fell off half way and the other is yellow. They are ugly.What can I do about them?

My two big toe nails have completely cracked horizontally.One fell off half way and the other is yellow. They are ugly.What can I do about them?

Need to see a doctor: You need to be seen to determine if you have a fungus infection of the nail or a bacterial infection of the skin. Did you have an injury to the nail, etc? ...Read more

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Can you please list the systemic causes of vertical cracks in toenails on multiple toes? These types of cracks don't go away on their own.

Can you please list the systemic causes of vertical cracks in toenails on multiple toes? These types of cracks don't go away on their own.

Cracks in nails: Usually more indicative of some form of trauma. Not a disease process. Vitamin deficiencies can weaken the nails they become very brittle and crack easier. Vitamin D deficiency. ...Read more

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What does it mean if you have cracked toenails all the time?

What does it mean if you have cracked toenails all the time?

May be fungus: Many times when fungus gets into the nail, it can become thick, discolored and can crack. Other times chronic injury to the nails can cause the nail to crack. A doctor can take a sample of the nail to determine if the cause is fungus or possibly something else. ...Read more

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Toenail cracked all the way across but still in place. Should it be bandaged or removed? This from an injury.

Toenail cracked all the way across but still in place.  Should it be bandaged or removed?  This from an injury.

Tape until it grows : Place tape on the cracked nail until it grows out. If it remains painful see your podiatrist for evaluation and care. ...Read more

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My toenail looks cracked but I don't think it's fungus. No discoloration. Is there anything I can use that is otc?

My toenail looks cracked but I don't think it's fungus. No discoloration. Is there anything I can use that is otc?

Try a antifungal: It is hard to tell what the cause may be. If the crack extends to the base of the nail under the skin, the crack may be due to nail root trauma. This will probably not gow out normally. If it is partially cracked, it may be an injury or fungal. In this case i would probably treat with a topical antifungal just in case. It can't hurt. If concerned, have it evaluated. Dr l. ...Read more

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