Why do shins itch

Everyone can benefit from a good facial cleanser, and many products are specially formulated for dry, sensitive skin. Blue lips are most often caused when something is preventing you from getting enough oxygen into your body.

Read on to discover some of the causes of…. Health Conditions Discover Plan Connect. Medically reviewed by Elaine K. Luo, M. About Why scratching? Why itchiness? Why is it hard to resist? Prevention Takeaway Share on Pinterest. What is an itch? Why does scratching feel good?

Why do we get itchy? Why is it so hard to resist scratching an itch? These C-fibers are identical to those associated with the sensation of pain, but they are functionally distinct and only convey the itch sensation—they comprise about 5 percent of the total C-fibers in human skin.

When stimulated superficially on the skin, these C-fibers carry signals along the nerve to the spinal cord and on to the brain, where they are processed, generating a scratching or rubbing reflex response. Scratching and rubbing then interfere with the sensations arising from pruriceptors by stimulating various pain and touch receptors in the same areas.

Though it is helpful in relieving the itch, scratching offers only temporary relief and may cause the skin to become further irritated and possibly tear, which could result in an infection. Despite approximately a century of pruritus research, there is no single effective antipruritic treatment, but several topical and orally-administered agents are available that suppress itching in certain clinical settings. These agents include lotions and creams such as calamine and hydrocortisone , antihistamines, opioid antagonists, aspirin and ultraviolet light therapy.

Already a subscriber? Over time, this can negatively impact emotional well-being, workplace performance, and overall health. Like many other skin conditions, skin itchiness may increase at night.

The natural cycling of certain hormones, molecules, and chemicals that occur in the body during the night can also cause itchiness. In some cases, the skin may only feel itchier during the night because of a lack of outside distractions. But nighttime itchiness may also be a sign of more serious health conditions. The circadian rhythm causes few different fluctuations or changes that can increase nighttime skin itchiness.

These include:. Changes in the level of the hormone estrogen may cause dryness, itchy skin, or flushed skin. Some menopausal women describe the sensation to feel like ants crawling under their skin. In rare cases, itchy skin at night can be a sign of more serious conditions or those that require treatment. Itchy skin is not usually a sign of anything serious. You can often treat it yourself and it will usually go away after a few weeks.

Sometimes itching is caused by dry, cracked or irritated skin. There are simple things you can do to help ease the itching. A pharmacist can recommend the best products to help with itchy skin.