Question 1

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.

Accepted Answer

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.

Question 2

what could be the cause of vertical black lines in finger and toenails? i had a nurse tell me it could mean heart problems but after listening to my heart said it sounded normal.

Accepted Answer

Please : Please see a dermatologist.  It could just be melanonychia due to increased pigmentation, but a skin cancer called melanoma can also present with streaks. You may need a biopsy.

Question 3

is black vertical line on toenail contagious? i worry if i can get it from someone who has it. is it caused by fungus or bacterial infections?

Accepted Answer

Melanonychia Striata:  Melanonychia striata is a brown-black lines in the nail  the goes from the base to the tip of the nail. Get it checked just to make sure it isn't related to a malignancy

Question 4

i only wear orthopedic flipflops &never shoes. i dont wear socks. im wondering what the scientific (phisiological?) reason my toenails are strong & never break, yet my fingernails-which im never hard on whatsoever-always break & split all my life?

Accepted Answer

: Chronic dry brittleness of fingernails is usually due to excessive dryness from repeated washing and drying of the fingernails. Whereas soft,brittle fingernails are due to excess moisture from frequent exposure to detergents and other cleansing agents. A dermatologist can evaluate you and advise you further if you still have concerns.

Question 5

what causes a vertical red line under toe nail?

Accepted Answer

Trauma: A red line is usually i sign of trauma and bleeding under the toenail.

Question 6

what causes a split second falling sensation?  it seems to happen when i am reading on the phone, watching tv, or if my leg or foot shifts position.

Accepted Answer

See doctor: You're describing a fleeting vertigo or a fainting- like sensation that could have many causes. See your pcp for exam and proper diagnosis. Write down all meds you take, any alcohol/drug/tobacco/caffeine use. If all is normal, consider seeing a mental health professional to look at anxiety as a factor.

Question 7

why is there a vertical black line on my right big toenail?

Accepted Answer

Trauma: A dark line that runs vertically down the nail can indicate that you might have traumatized the nail matrix(the area where the nail starts growing). Other possibilities are fungus, melanoma and genetics. See your doc for a full evaluation.

Question 8

what causes  black and blue toenails?

Accepted Answer

Trauma: Usually trauma or injury will cause bleeding under the nail and the appearance of being black & blue.

Question 9

what causes black lines in the toenails?

Accepted Answer

Sometimes this: Is a normal variant, sometimes it could be blood that is dried, melanoma at times needs to be ruled out.

Question 10

what causes toenails to be thick and hurt?

Accepted Answer

Fungus vs. Trauma: The 2 most common causes of painful, thick toenails are fungal infections and traumatically induced changes to the nail. For a complete and thorough diagnosis, visit your local podiatrist. A culture/biopsy may need to be informed to distinguish the cause.

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Doctor answers about:

What causes toenails to split vertically

A member asked:

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.

A member asked:

What could be the cause of vertical black lines in finger and toenails? i had a nurse tell me it could mean heart problems but after listening to my heart said it sounded normal.

A member asked:

Is black vertical line on toenail contagious? i worry if i can get it from someone who has it. is it caused by fungus or bacterial infections?

A member asked:

I only wear orthopedic flipflops &never shoes. i dont wear socks. im wondering what the scientific (phisiological?) reason my toenails are strong & never break, yet my fingernails-which im never hard on whatsoever-always break & split all my life?

A member asked:

What causes a vertical red line under toe nail?

A member asked:

What causes a split second falling sensation? it seems to happen when i am reading on the phone, watching tv, or if my leg or foot shifts position.

A member asked:

Why is there a vertical black line on my right big toenail?

A member asked:

What causes black and blue toenails?

A member asked:

What causes black lines in the toenails?

A member asked:

What causes toenails to be thick and hurt?

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