What is itching?
Itching is an irritating sensation that makes you want to scratch your skin. Sometimes it can feel like pain, but it is different. Often, you feel itchy in one area in your body, but sometimes you may feel itching all over. Along with the itching, you may also have a rash or hives.
What causes itching?
Itching is a symptom of many health conditions. Some common causes are
Allergic reactions to food, insect bites, pollen, and medicines
Skin conditions such as eczema, psoriasis, and dry skin
Irritating chemicals, cosmetics, and other substances
Parasites such as pinworms, scabies, head and body lice
Pregnancy
Liver, kidney, or thyroid diseases
Certain cancers or cancer treatments
Diseases that can affect the nervous system, such as diabetes and shingles
What are the treatments for itching?
Most itching is not serious. To feel better, you could try
Applying cold compresses
Using moisturizing lotions
Taking lukewarm or oatmeal baths
Using over-the-counter hydrocortisone cream or antihistamines
Avoiding scratching, wearing irritating fabrics, and exposure to high heat and humidity
Contact your health care provider if your itching is severe, does not go away after a few weeks, or does not have an apparent cause. You may need other treatments, such as medicines or light therapy. If you have an underlying disease that is causing the itching, treating that disease may help.