Dr ten thumbs
People between the ages of 30 and 50 have a higher risk of developing de Quervain tenosynovitis than do people in other age groups, including children. Risk factors for de Quervain tenosynovitis include: Fluid retention, such as from changes in hormones during pregnancy.Direct injury to the wrist or tendon, which may cause scar tissue that restricts movement of the tendons.Inflammatory arthritis, such as rheumatoid arthritis.Other causes of de Quervain tenosynovitis include: This thickening and swelling restrict the movement of the tendons through the small tunnel that connects them to the base of the thumb. If the covering becomes irritated, the tendons can thicken and swell. Tendons are ropelike structures that attach muscle to bone.Ĭhronic overuse, such as repeating a particular hand motion day after day, may irritate the covering around the tendons. Repeating a particular motion day after day may irritate the sheath around the two tendons, causing thickening and swelling that restricts their movement.ĭe Quervain tenosynovitis affects the two tendons on the thumb side of the wrist. DOI: doi.org/10.1016/j.psychres.2012.08.When you grip, grasp, clench, pinch or wring anything in your hand, two tendons in your wrist and lower thumb normally glide smoothly through the small tunnel that connects them to the base of the thumb. The association between absent lunula and depression in depressive outpatients: A case-control study. dom/wp-content/uploads/sites/210/2015/11/NailExamination.pdf diseases-conditions/wilsons-disease/symptoms-causes/syc-20353251 diseases-conditions/ebsteins-anomaly/symptoms-causes/syc-20352127 books?id=r7GHAwAAQBAJ&printsec=frontcover#v=onepage&q&f=false Pigmentary disorders: A comprehensive compendium. healthy-lifestyle/adult-health/multimedia/nails/sls-20076131 Nail abnormalities: Clues to systemic disease. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. If your lunula turns red, it may be a signal of heart failure. People who experience chronic renal failure may produce more melanin, which can cause your nail bed to turn brown. This is sometimes called half-and-half nails and may be a sign of renal disease.
The portion of your nail containing the lunula may turn white, sometimes creating a nail that’s half-brown and half-white. This is a rare inherited disorder that occurs when too much copper accumulates in your organs.
In older adults, this condition is usually a natural sign of aging. Although it can happen on one finger only, it usually affects all fingers. It’s characterized by a pink or red band of separation near the arc of your nails. This condition causes the bulk of your nail to appear white, completely erasing the appearance of the lunula. It isn’t clear what causes this syndrome, but it may be tied to: Your entire nail will take on a yellow appearance. The middle of your nail may begin to rise, causing the lunulae to disappear completely. This condition typically produces thick, slow growing nails. Silver poisoningīlue-grey lunulae may be a sign of silver poisoning. Taking in too much fluoride, like that found in toothpaste, can turn the lunulae brown or black. This is a chronic, lifelong condition that affects the body’s ability to control blood sugar. Pale blue lunulae may be a sign of undiagnosed or uncontrolled diabetes. Extended use may cause your lunulae to turn yellow.
DR TEN THUMBS SKIN
Tetracycline medications are antibiotics that are usually used to treat acne and skin infections. Here are some of the most common reasons for abnormal lunulae: Tetracycline therapy