Is cracking on the hand a symptom of pellagra?

summary

Pellagra, also known as scabby skin disease, is a vitamin deficiency disease. The main cause is the lack of vitamin B3 (nicotinic acid) and protein, especially the protein containing essential amino acid tryptophan. Tryptophan can be converted into nicotinic acid, about 60mg tryptophan can be converted into 1mg nicotinic acid. Is hand cracking a symptom of pellagra? Let's talk about it

Is cracking on the hand a symptom of pellagra?

Patients in the early performance may not be obvious, often loss of appetite, fatigue, weight loss, abdominal pain, dyspepsia, easy to get excited, inattention, insomnia and other non-specific diseases. When the disease progresses, there may be more typical symptoms, manifested as summer and autumn sunlight attack, sometimes can also be induced by radiation and physical skin damage.

Dermatitis is the most typical symptom of the disease. It often appears symmetrically in the exposed parts of the limbs. The most common symptoms are dorsum of hand, dorsum of foot, wrist, forearm, finger and ankle, followed by the friction parts of the limbs. In acute cases, the color of the lesions is reddish and itchy at the beginning, similar to sunburn, but there is a clear boundary with the surrounding skin, the edge is slightly higher, and the lesions in the center are more obvious;

; After that, the skin color quickly changed to reddish brown, with obvious edema, accompanied by herpes and epidermal rupture, forming exudative wound, easy to induce secondary infection. Edema and redness gradually subsided when the condition improved, and large pieces of desquamate appeared when the condition recovered, followed by new pink skin thickening; Also variable thin atrophic, edge pigmentation.

matters needing attention

Reasonable diet, avoid drinking. The diet should be light and nutritious. Eat more vegetables, fruits, milk, turtle and other nutritious foods rich in a variety of amino acids, vitamins, protein and easy to digest. Eat less greasy food; Eat less dog meat and mutton; Eat less seafood without shell, bamboo shoots, taro and other allergic "hair products"; Eat less drinks and snacks containing chemicals, preservatives and additives. Avoid eating too sour, too spicy, too salty and other irritants.