Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Biography

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Causes of itching

There are many different possible causes of itching.

For example, itching can be a symptom of:
a skin condition, such as eczema
an allergy – for example, to nickel (a metal often used to make costume jewellery)
insect bites or scabies
fungal infections, such as athlete’s foot and female thrush or male thrush
certain chronic (long-term) conditions, such as liver disease
hormonal changes in the body, such as during the menopause or pregnancy

Each of these possible causes of itching is described in more detail below.
Skin conditions

Skin conditions that can cause itching include:
dry skin
eczema – a chronic (long-term) condition where the skin is dry, red, flaky and itchy
contact dermatitis – a condition where the skin becomes inflamed
urticaria – also known as hives, welts or nettle rash; urticaria is triggered by an allergen, such as food or latex, and causes a raised, red itchy rash to develop
lichen planus – an itchy, non-infectious rash of unknown cause
psoriasis – a non-infectious skin condition that causes red, flaky, crusty patches of skin and silvery scales
dandruff – a common, non-contagious skin condition that affects the scalp
folliculitis – a skin condition caused by inflamed hair follicles
prurigo – small blisters (fluid-filled swellings) that are very itchy
Allergies and skin reactions

Itching is sometimes caused by environmental factors, such as:
cosmetics
dyes or coatings on fabrics
contact with certain metals, such as nickel
contact with the juices of certain plants or stinging plants
an allergy to certain foods or types of medication (for example, aspirin and a group of medicines called opioids)
prickly heat – an itchy rash that appears in hot, humid weather conditions
sunburn – skin damage caused by exposure to ultraviolet (UV) rays
Parasites and insects

Itching can also be caused by the following pests:
the scabies mite, which burrows into the skin and causes a skin condition called scabies
head lice, pubic lice or body lice
insect bites and stings, such as bees, wasps, mosquitoes, fleas and bedbugs
Infections

Itching may also be a symptom of an infection, such as:
chickenpox or another viral infection
a fungal infection, such as athlete's foot, which causes itching in between the toes, jock itch which affects the groin, and ringworm, a contagious condition that causes a ring-like red rash to develop on the body
a yeast infection, such as female thrush or male thrush, which can cause itching in and around the genitals

Fungal and yeast infections tend to cause itching in a specific area of the body. However, in untreated cases, or cases that do not respond well to treatment, itching may become generalised.
Systemic conditions

Systemic conditions are conditions that affect the entire body. Sometimes, itching can be a symptom of systemic conditions, such as:
an overactive thyroid or underactive thyroid – the thyroid gland is found in the neck; it produces hormones to help control the body's growth and metabolism (the process of turning food into energy)
liver-related conditions, such as primary biliary cirrhosis, liver cancer, pancreatic cancer and hepatitis
long standing kidney failure
leukaemia – cancer of the blood
some types of cancers, such as breast, lung and prostate cancer
Hodgkin lymphoma – cancer of the lymphatic system, which is a series of glands (or nodes) spread throughout your body that produce many of the specialised cells needed by your immune system
Pregnancy and the menopause

In women, itching can sometimes be caused by hormonal changes.
Pregnancy

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck

Itching Skin Rash Skin Rashes In Children On Face In Adults On Hands On Arms That Itch In Kids On Dogs On Chest On Neck