What causes a constant itch on your right side that you constantly have to rub?

Itching on the right side of the body that is constant and requires frequent rubbing could be a sign of various underlying conditions. Here are some possible causes:

1. Skin Conditions:

- Dry skin (xerosis): Lack of moisture can cause dry, flaky, and itchy skin.

- Eczema (atopic dermatitis): A chronic skin condition characterized by inflammation, redness, and itching.

- Contact dermatitis: An allergic reaction to certain substances that come into contact with the skin.

- Psoriasis: A chronic autoimmune condition that causes red, scaly patches on the skin.

2. Allergic reactions:

- Food allergies: Certain foods, such as peanuts, shellfish, or dairy, can cause allergic reactions leading to itching and hives.

- Insect bites or stings: Bites from insects like mosquitoes, fleas, or spiders can cause intense itching.

- Drug allergies: Some medications can cause allergic reactions, including itching and skin rashes.

3. Liver disease:

- Cholestasis: Reduced bile flow from the liver can cause itching, especially on the palms and soles.

- Liver damage or dysfunction: Conditions like hepatitis or cirrhosis can lead to itching as a result of the buildup of toxins in the body.

4. Kidney disease:

- Chronic kidney disease (CKD): Impaired kidney function can cause itchy skin due to the accumulation of waste products and impurities in the body.

5. Diabetes:

- Hyperglycemia: High blood sugar levels can lead to itching, particularly in areas with increased sweating.

6. Pregnancy:

- Pruritic urticarial papules and plaques of pregnancy (PUPPP): A skin condition that develops during pregnancy, causing itchy hives or rashes.

7. Thyroid issues:

- Hypothyroidism: An underactive thyroid gland can cause dry skin and itching.

8. Hodgkin lymphoma:

- This type of cancer can cause severe and persistent itching, often at the early stages of the disease.

9. Iron deficiency:

- Anemia due to iron deficiency can lead to dry and itchy skin.

10. Stress and anxiety:

- Some people may experience itching as a psychosomatic response to stress or anxiety.

If the itching persists or is accompanied by other symptoms, it's important to consult a healthcare professional for proper diagnosis and treatment. They may recommend appropriate medications, lifestyle modifications, or further tests to determine the exact cause and provide the most suitable treatment.