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A female asked about a male:

what causes black lines in the toenails?

3 doctor answers4 doctors weighed in
Dr. Jeffrey Kass
Podiatry 28 years experience
Sometimes this: Is a normal variant, sometimes it could be blood that is dried, melanoma at times needs to be ruled out.
Dr. HECTOR Franco
Dermatology 46 years experience
Various things: In people with skin of color it may be a normal variation. Skin growths may also cause them, both of the benign and malignant kind. See your dermatologist.
Dr. Heidi Fowler
Psychiatry 25 years experience
Different causes: Black stripes down 1 nail may be subungual hematoma. Red or brown streaks may be splinter hemorrhages. Brown/black lines from nail plate to tip are often seen in people with dark skin & are normal. Subungual Melanoma can cause nail ridges & dark colors of cuticle. It most often effects the thumbs or big toes. Dark lines may be due to other illnesses. Get checked out when in doubt.

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What lines the inner wall of the bronchus?

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Dr. Carlo Hatem
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Bronchial epithelium: Bronchial epithelium is a structure made of several layers of cells, that have different shapes and functions, such as making mucus, and clearing mucus.
A 36-year-old member asked:

Ingrowing toenail?

5 doctor answers13 doctors weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
Mild, moderate, bad?: Mild cases of ingrown toenails can resolve without surgery. A doctor can examine an ingrown nail and talk about what should be done. In mild cases, the sharp piece of the nail may be encouraged to grow over the skin or next to the skin, instead of into the skin. After a couple of weeks, that corner of the toenail might be ok.
A 22-year-old member asked:

What are squiggly lines in my vision from time to time what isit?

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Dr. Luis Villaplana
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? Optic migraine: You may have this symptom with or without a headache, among other possibilities. Please see your doctor for accurate disgnosis.
A 49-year-old member asked:

How can I treat an ingrowing toenail?

7 doctor answers12 doctors weighed in
Dr. Morris Westfried
Dermatology 46 years experience
Cotton: Cotton between nail and skin can separate skin until nail grows out. If however this does not work a podiatrist can cut back the nail to relieve the pressure. If this is a chronic or recurrent problem they can perform a phenol matrixectomy where the side of nail is permanently narrowed to prevent future problems.
A 47-year-old member asked:

How long until my black toenail falls off and a new one starts growing?

4 doctor answers6 doctors weighed in
Dr. Arnold Beresh
Podiatry 41 years experience
Approximately 1 year: Depending on how it was injured it may take up to 1 year for the nail to fully grow out.

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Last updated Nov 1, 2018
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