1/23/2024 0 Comments Half red half purple heart meaningCTS is the most common and widely known of the entrapment neuropathies, in which one of the body's peripheral nerves is pressed on or squeezed. Sometimes, thickening from the lining of irritated tendons or other swelling narrows the tunnel and compresses the median nerve. It also controls some small muscles at the base of the thumb. The median nerve provides feeling to the thumb, index, and middle finger, and part of the ring finger (but not the little finger). The median nerve and the tendons that bend the fingers pass through the carpal tunnel-a narrow, rigid passageway of ligament and bones at the base of the hand. You might wake up and feel you need to “shake out” your hand or wrist. You may feel numbness, weakness, pain in your hand and wrist, and your fingers may become swollen and useless. The exact cause of yellow nail syndrome isn’t clear, though it comes with respiratory tract abnormalities and breathing issues, so get yourself to a doctor ASAP.Carpal tunnel syndrome (CTS) is a common neurological disorder that occurs when the median nerve, which runs from your forearm into the palm of the hand, becomes pressed or squeezed at the wrist. If a lot of your fingernails are yellow, and they seem to have thickened, curved, or even started to detach from the nail bed, this could be a sign of an extremely rare condition called yellow nail syndrome, which is when your arms and legs swell up due to a buildup of a fluid called lymph, according to the National Organization for Rare Disorders (NORD). Make sure to see a derm for a full workup. See bands of yellow streaks on your fingernails? This could be a rare tumor of the nail matrix which can be surgically removed, Feely says. The fix? Oral or topical antifungal medications, Lipner says. But as the infection digs in, your nail can begin to thicken, crumble at the edges, and even smell a bit foul. If you have a fungal infection, discoloration starts small - a white or yellow spot under the tip of your fingernail, for example. Not already being treated for psoriasis? Visit a dermatologist for a solid diagnosis. Usually, nail psoriasis appears years after psoriasis first shows up on the skin, according to the American Academy of Dermatology. Nail psoriasis often comes with salmon-colored discoloration called "oil drops," as well as nail pitting, which is when the nail appears to have been dented by tiny ice picks, Feely explains. “A yellow nail may be a sign of a fungal infection or the skin condition psoriasis,” Lipner says. For example, chemotherapy drugs can turn fingernails gray-brown, for example, Lipner says. Other reasons for a black or brown nail aren’t so scary: fungal infections (this would be accompanied by yellowing and thickening of the nail) bacterial infections or even a funky response to medication. While a brown or black band of pigment in one or more nails could also simply be a benign mole, it’s best to book a visit to the derm just in case, Feely notes. It’s known as Hutchinson’s sign, and it most commonly occurs on your thumb (or big toe), according to The New England Journal of Medicine. If you notice pain, bleeding, or splitting of the nail, make an appointment with a board-certified dermatologist who may have to do a biopsy on the nail, she says.Īn especially concerning sign? If the skin surrounding the lower part of your nail turns brown or black - this heightens suspicion for a melanoma, says Meghan Feely, M.D., a board-certified dermatologist based in New York City and New Jersey and clinical instructor at Mount Sinai. “While nail melanomas are uncommon, they can be deadly if not diagnosed and treated early.” the most serious form of skin cancer), says Shari Lipner, M.D., Ph.D., a dermatologist and director of the nail division at Weill Cornell Medicine. “If your nail is brown or black, the most important thing to worry about is a nail melanoma,” (a.k.a.
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