Itching is one of typical symptoms of psoriasis. Whether it is an advanced stage, a static stage, or a regression stage, symptoms of psoriasis will be accompanied by a certain degree of itching. On one hand, itching seriously affects quality of life of psoriasis patients, on other hand, scratching can aggravate psoriatic rashes or cause new rashes to appear in areas where skin rashes have disappeared.
However, there are always patients who ask themselves question: why does it not itch during day, and at night itch is fatal, or does it itch so much that I can’t sleep all night? Then let's find out what "itch" is~Why does it itch?
Psoriasis follows a combination of epidermal cells, capillary cells and serum of skin scales and bacteria to form antigenic substances that enter bloodstream through capillaries and stimulate skin. Stimulated tiny nerve fibers in dermis are slow frequency nerve impulses. produced, causing itching sensations in area of the medial nerve of cerebral cortex.Why does it itch more at night?
1. The level of hormones in bodyThe regulation of hormone levels in body is different. The level of secretion of glucocorticoids is relatively high in morning or in morning, which can suppress inflammatory response and lead to a decrease in itching. At night, secretion of glucocorticoids is relatively reduced. Itching is also relatively increased. 2. Switching AttentionThe reason why itching is less during day is that attention during day is mainly focused on work or school, and distraction reduces perception of itching. But at night, when everything is quiet and outside world is less disturbing, sensitivity to itching increases. 3. Metabolic rateAt night, human body is at rest, during which metabolism in all aspects is relatively fast, and metabolic rate of psoriasis patients is too high, so epidermal cells fall. off The faster and more, stronger itching sensation will be. 4. TicksTicks are everywhere, especially like to hide in bedding such as pillows and blankets. If not washed frequently, mites will come out causing trouble, attacking skin, stimulating nerves and causing itching. .How to relieve itching?
Pay attention to your dietAs we all know, psoriasis recurs very easily. Eating hair products such as beef, lamb, seafood, or spicy foods will cause disease to recur and aggravate itching. Therefore, daily diet of psoriasis patients should be light, avoid spicy food and reduce consumption of hair products, in particular, they need to supplement more trace elements and protein to suppress allergic reactions and relieve itching in psoriasis from root. .
Pay attention to hydrationItchy skin can also be caused by dryness, so daily hydration is also very important. People with psoriasis should drink plenty of water, eat more fruits and vegetables, and replenish their water supplies on time. Don't wait until you feel thirsty to drink water. If possible, you can use a humidifier to keep air indoors moist. At same time, some moisturizing products such as petroleum jelly, glycerin and urea can be used to gently moisturize skin and avoid aggravating itching.
Wet compress with warm waterYou can use a clean towel soaked in warm water to apply it on itchy skin and stimulate blood circulation in local skin tissues by stimulating warm water. Hot air on a towel can soften white skin on surface of skin to a certain extent. White skin that appears after a minute or two after warm application can be removed with a clean cotton swab, which also avoids scratching directly with hands. and reduce risk of infection.
Keep a good moodWhen you are nervous and in a bad mood, you will feel that your psoriasis has worsened, and white scales on skin lesions will increase, and itching will not stop. Therefore, patients and friends should learn to decompress themselves. You can walk more, do yoga, run for a while, or do something that interests you to divert your attention. Maintaining a good mood not only helps to control disease, but can also reduce itchy skin to a certain extent~~