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The medical term for itching is pruritus, according to WebMD. Pruritus signals several conditions from allergies and eczema to diabetes and liver disease. Other symptoms might also be present in the area of itchy skin.


Medical conditions that cause itching include atopic dermatitis, hepatitis, insect bites, dry skin and impetigo, according to MedlinePlus. Depending on the medical condition, itching is either localized to one area or occurs all over the body.


Conditions that can cause ear itching include swimmer’s ear, allergic contact dermatitis and ringworm, according to Healthgrades. Sudden and severe itching can be a sign of anaphylactic shock, which can cause fainting and difficulty breathing.


Non-prescription anti-itch medications include oral and topical antihistamines, antiseptic ointments and topical anesthetics, according to WebMD. There are also medications to address specific causes of itching, such as hemorrhoidal creams and cold sore remedies.


Causes of itching hands include medical conditions such as psoriasis, eczema and scabies, according to WebMD. Skin dryness due to excess scrubbing or winter weather also causes itchy hands.


The symptoms of itching skin include bruises, skin redness and dry skin with cracks, according to Mayo Clinic. The itching may either be general or localized; however, itchiness on the skin may not cause noticeable signs.


Dry skin, internal diseases or nerve disorders can cause itching under the skin, according to Mayo Clinic. These causes of itching under the skin may have no outward signs of skin disturbance.


Some diseases that cause itching, also known as pruritus, include liver disease, celiac disease, kidney failure, iron deficiency anemia and thyroid problems. Other conditions include cancers, multiple sclerosis, diabetes mellitus, pinched nerves and shingles, according to Mayo Clinic. Skin condition


Skin itching for no apparent reason may be due to dry skin, according to Everyday Health. As skin loses moisture, it begins to feel tight, although no rash appears. Irritant contact dermatitis, the skin's instant or gradual reaction to a particular substance, can cause itchy skin patches without oth


Diabetes, lymphoma, atopic dermatitis, allergies and psoriasis can all cause feet to itch, says Healthline.com. While itchy feet can be indicative of a serious underlying health problem, they can also be caused by something as simple as an irritant.