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Frequent hand-washing is the usual cause, but it is also part of normal ageing. [3] Manicures, nail polish and remover, nail biting, and repeated trauma such as typing, can contribute to nail splitting. [1] Dehydration likely plays a role. [3] Nutritional deficiencies that can result in nail splitting include iron, selenium, and zinc. [1]
When the distal phalanges (bones nearest the fingertips) of corresponding fingers of opposite hands are directly opposed (place fingernails of same finger on opposite hands against each other, nail to nail), a small diamond-shaped "window" is normally apparent between the nailbeds. If this window is obliterated, the test is positive and ...
Onychomycosis, also known as tinea unguium, [4] is a fungal infection of the nail. [2] Symptoms may include white or yellow nail discoloration, thickening of the nail, and separation of the nail from the nail bed. [2]
A jammed finger (a trauma from a blow on the end of the finger) is often caused by trying to catch a ball and may break the finger. Misusing tools, especially power tools, [2] can also break fingers. [2] Occasionally, an infection or tumour can cause a broken finger; [1] this is called a pathological fracture.
"The longitudinal striations can occur as a normal part of the aging process", [2] and not until the nails start to thin and get a sandpaper look is the condition called trachonychia. The nails are opalescent and frequently are brittle and split at the free margin. There has been evidence of the condition as a cutaneous manifestation of lichen ...
On the hands, it occurs particularly on the ring finger but can occur on any of the fingernails. It may also happen to toenails. Onycholysis can occur in many conditions, including psoriasis. [2] In thyrotoxicosis, it is thought to be due to sympathetic overactivity. [3] It may also be seen in infections or trauma.
Knowing the cause of your back pain is an important first step. While there are many obvious reasons for back pain, there are some that may surprise you. To learn more about causes and treatment ...
Most hand injuries are minor and can heal without difficulty. However, any time the hand or finger is cut, crushed or the pain is ongoing, it is best to see a physician. Hand injuries when not treated on time can result in long term morbidity. [6] Simple hand injuries do not typically require antibiotics as they do not change the chance of ...