Sign up for our newsletter
Get health tips, wellness advice, and more

Thanks for signing up!
You've been added to our list and will hear from us soon.

See all Healthline's newsletters »
Advertisement
Let's see if we can figure out what's causing your itching.
Select additional symptoms and we'll narrow your results.

What causes itching? 87 possible conditions

Itchy skin, also known as pruritus, is an irritating and uncontrollable sensation that makes you want to scratch to relieve the feeling. The possible causes for itchiness range from internal illnesses, such as kidney or liver disease,... Read more

We could not identify "lower extremity muscle weakness" as a symptom in Symptom Search.
Also try this:
  • enter the first few letters of the symptom in the Enter a symptom box (above)
  • select a symptom from the Pick from a List option

See a list of possible causes in order from the most common to the least.

1

Contact Dermatitis

Contact dermatitis is a condition that makes skin red or inflamed after contact with a particular substance. Contact dermatitis is either the result of an allergen or an irritant. Allergic dermatitis usually appear...

Read more »

2

Dermatitis

If you've ever been out hiking in the woods, you probably know to avoid certain plants: poison oak, poison ivy, and poison sumac, for example. They're all off-limits, unless, of course, you want to suffer from ...

Read more »

3

Bites and Stings

Saliva from insect bites and venom from stings can cause a reaction such as swelling and itching. Bee stings can cause these symptoms and possibly anaphylaxis, a life-threatening condition.

Read more »

4

Eczema

Eczema is characterized by itchy, dry, rough, flakey, inflamed, and irritated skin. It can flare up, subside, and then flare up again.

Read more »

5

Psoriasis Overview

Psoriasis is a chronic skin condition that can cause red, scaly patches of skin to appear. Learn more about what it is, why it appears and how it's treated.

Read more »

6

Drug Allergy Overview

This condition is considered a medical emergency. Urgent care may be required.

A drug allergy is an allergic reaction to a medication. Find out how to know if you have one and what to do about it.

Read more »

7

Food Allergy Basics

Food allergies are overblown responses by the immune system to foods that aren't typically harmful - like eggs and peanuts. Continue reading and learn more about food allergies, and how to prevent or treat sever...

Read more »

8

Dry Skin

Dry skin is an uncomfortable condition, marked by scaling, itching, and cracking. Learn about potential causes and strategies to prevent and treat it.

Read more »

9

Candida Fungus Skin Infection

Candida is a type of fungus that can cause an infection in your skin. In normal conditions, your skin may host small amounts of this fungus, but problems arise when it begins to multiply and creates an overgrowth...

Read more »

10

Anaphylaxis

This condition is considered a medical emergency. Urgent care may be required.

Anaphylaxis can occur when you have a severe reaction to certain allergens. Learn what the symptoms are and what to do if this happens.

Read more »

11

Ringworm of the Body (Tinea Corporis)

Ringworm is a contagious skin infection causing a small, itchy, ring-shaped rash. It is not caused by worms but rather a fungus.

Read more »

12

Scabies

Scabies is a skin infestation caused by a tiny, burrowing bug. Learn about scabies symptoms, transmission, diagnosis, and treatment.

Read more »

13

Seborrheic Keratosis

Seborrheic keratosis is a type of harmless skin growth that bears a resemblance to skin cancer. Growths may have a wart-like surface and waxy appearance.

Read more »

14

Lice Infestation

A lice infestation makes your skin itchy and irritated. Read more about how to diagnose and treat them.

Read more »

15

Seborrheic Eczema and Crib Cap

Seborrheic eczema is a very common skin condition. It is also known as seborrheic dermatitis . When infants develop this condition, it is known as cradle cap . Seborrheic eczema is thought to have two chief causes. Th...

Read more »

16

Ringworm (Dermatophytosis)

Ringworm, aka dermatophytosis or tinea, is a fungal infection of the skin. In spite of its common name, ringworm is not caused by a worm. Learn how to identify and treat ringworm.

Read more »

17

Yellow Skin (Jaundice)

Jaundice is yellowing of the skin and eyes and can indicate a serious problem with liver, gallbladder, or pancreas function.

Read more »

18

Hives

Hives, or urticaria, are itchy, raised welts that are found on the skin. Hives are often caused by an allergic reaction to a medication or an irritant.

Read more »

19

Jock Itch

Jock itch is a fungal infection that commonly affects the area around the groin. Learn about jock itch symptoms, causes, treatment, and prevention.

Read more »

20

Angioedema (Giant Hives)

Angioedema is severe swelling beneath the skin. Sometimes the swelling is accompanied by hives. Learn about angioedema symptoms, causes, and treatment.

Read more »

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
Advertisement
Advertisement
Advertisement