Examples include dry skin (xerosis), eczema (dermatitis), psoriasis, scabies, parasites, burns, scars, insect bites and hives. Internal diseases. Itching on the whole body might be a symptom of an underlying illness, such as liver disease, kidney disease, anemia, diabetes, thyroid problems and certain cancers.
Itching and rashes often occur together, but itchy skin alone can happen with dry skin, bug bites, some health conditions, or as a reaction to certain medications.
Several key parts of your 24-hour sleep-wake cycle (circadian rhythm ) can cause changes to your skin at night. 1 Sometimes, it causes itchy skin with no rash. Changes in body temperature, humidity or skin moisture, and hormone fluctuations can all contribute to nighttime itching.
Both vitamin B12 and vitamin A deficiencies may also cause itchy skin, so if you are experiencing chronically itchy skin, getting your level of these vitamins tested can be helpful. This testing will help determine whether these deficiencies are at the root of your skin sensitivities and itchiness.
Stress causes several changes in the body, such as hormonal fluctuations and changes in the nervous system, which could lead to unpleasant sensations along one or more nerves. These sensations can cause a burning or itching feeling anywhere on the skin.
Body temperature: If you have a high body temperature at night, you could have itchy skin. Dry skin: Your body loses moisture at night, which can make your skin itchy. Hormonal changes: At night, your body doesn't produce as many hormones as it does during the day and certain hormones reduce inflammation (swelling).
It is important to be able to identify symptoms of vitamin A deficiency so that you can consult your doctor and adjust your dietary intake of vitamin A. One such symptom of vitamin A deficiency to look out for is itchy skin.
Common areas for this type of itching include the head, arms, back, and abdomen. It also tends to be worse at night, which can disturb your sleep. The itching is lower in intensity just after dialysis as the blood urea levels will be lower. However, it increases in intensity two days after dialysis.
Not only is itch associated with greater anxiety, but stress has also be shown to exacerbate itch, leading to a true itch-anxiety cycle. Many chronic itch patients report that psychological stress is a factor that aggravates their itch.
What does diabetes itching feel like? If you have diabetes, itching can be intense. It's an irritating feeling that makes it hard not to scratch, but scratching can make the itch worse. You can itch anywhere, but if you have nerve damage (neuropathy) associated with diabetes, your lower legs may itch.
Localized itching is often caused by diabetes. It can be caused by a yeast infection, dry skin, or poor circulation. When poor circulation is the cause of itching, the itchiest areas may be the lower parts of the legs.
Some people with liver disease experience skin itching all over their body or in specific areas, like the feet or arms. Itchiness is not a symptom of liver disease on its own, though. Liver disease is a condition affecting your liver's ability to function.
When it comes to food allergies, peanuts, wheat, eggs, cow's milk, soy and shellfish are among the most common culprits. The itchiness caused by these foods and subsequent scratching can then lead to flare-ups or worsening of dermatitis symptoms.
There are many potential causes for sudden skin sensitivity, like exposure to allergens or contact dermatitis, chronic conditions like eczema, psoriasis, and rosacea, or acute trauma from excess sun exposure.
However at menopause, your body begins to produce much less oestrogen, resulting in a lower production of both collagen and natural oils. This can cause excessive dryness, which in turn leads to itching.
If this system is not functioning well, certain cytokines can be expressed abnormally. In your case, it would appear that when you get a bit run down and as your immune system weakens, you have a tendency to histamines and it is this substance that causes you to itch.
People with iron deficiency anemia may experience itchy skin (pruritis) that can become red, bumpy and sore when scratched. Rashes associated with aplastic anemia usually appear as tiny red or purple dots under your skin (petechiae). The dots can form large patches but aren't usually itchy or painful.
If you have a bedbug bite, you may notice an itchy spot on your skin. On people with light skin tones, the bites usually look red. On darker skin, they may be purple. It can be harder to see them on dark skin.
Dust mites
These tiny creatures do not bite or live on humans. Instead, proteins in the exoskeletons and feces of dust mites can induce allergic reactions in people. Exposure to mites can lead to patches of small, red bumps on the skin accompanied by the following respiratory symptoms: nasal congestion and sneezing.
Formication is a sensation of "skin crawling." It is a type of tactile hallucination. Formication can be caused by the use of illegal substances, alcohol or substance withdrawal, medical or mental health conditions, menopause, or as a side effect of drugs.
Anxiety rashes often appear as hives. These slightly raised and itchy patches of skin usually look red.
Stress rashes or hives usually disappear within a few hours or days. It's important to avoid scratching your hives rash so that it heals and doesn't leave behind marks. Sometimes, stress rashes and hives can come back repeatedly for weeks or months. When hives last longer than 6 weeks, it is called chronic urticaria.
A common symptom of dehydration is dry skin. People might notice patches of rough, scaly, itchy skin. These might co-occur with some of the other symptoms of dehydration, such as thirst, tiredness, or dark urine. Drinking plenty of water daily is the most effective treatment for mild cases of dehydration.