What is a bumpy and itchy rush on lower legs?

A bumpy and itchy rush on lower legs can be caused by a variety of skin conditions, including:

1. Eczema: Eczema is a common skin condition that causes dry, itchy, and inflamed skin. It can appear anywhere on the body, but it is often found on the lower legs.

2. Psoriasis: Psoriasis is a chronic skin condition that causes red, scaly patches of skin. It can also cause itching and burning. Psoriasis can appear anywhere on the body, but it is often found on the lower legs.

3. Contact dermatitis: Contact dermatitis is a skin reaction that occurs when the skin comes into contact with an allergen or irritant. This can cause a bumpy and itchy rash on lower legs. Common allergens and irritants include poison ivy, poison oak, detergents, and cosmetics.

4. Insect bites and stings: Insect bites and stings can cause a bumpy and itchy rash on lower legs. Common insects that can cause this problem include mosquitoes, bees, wasps, and spiders.

5. Folliculitis: Folliculitis is a skin condition that occurs when hair follicles become infected. This can cause a bumpy and itchy rash on lower legs. Folliculitis is often caused by bacteria or fungi.

6. Scabies: Scabies is a skin condition that is caused by a tiny mite that burrows under the skin. This can cause a bumpy and itchy rash on lower legs. Scabies is contagious and can be spread through close contact with an infected person.

7. Drug reaction: Some medications can cause a bumpy and itchy rash on lower legs as a side effect. This is most common with antibiotics and NSAIDs (non-steroidal anti-inflammatory drugs).

8. Varicose veins: Varicose veins are swollen, twisted veins that can occur on the lower legs. They can cause pain, swelling, and itching. Varicose veins can also lead to a bumpy and itchy rash on lower legs.

9. Diabetes: Diabetes can cause nerve damage that can lead to a bumpy and itchy rash on lower legs. This condition is called diabetic neuropathy.

10. Liver disease: Liver disease can cause a buildup of toxins in the body that can lead to a bumpy and itchy rash on lower legs. This condition is called cholestasis.

If you have a bumpy and itchy rush on lower legs, it is important to see a doctor to get a diagnosis and treatment.