What causes itching with MPNs?
Itching is one of the most common symptoms in myeloproliferative neoplasms, affecting about 53% of people with MPNs. It's caused by abnormal cells releasing large amounts of histamine and cytokines, which promote inflammation and itching.
The prevalence varies by MPN type
* 65% of people Show Full Answer
What causes itching with MPNs?
Itching is one of the most common symptoms in myeloproliferative neoplasms, affecting about 53% of people with MPNs. It's caused by abnormal cells releasing large amounts of histamine and cytokines, which promote inflammation and itching.
The prevalence varies by MPN type:
* 65% of people with polycythemia vera
* 50% of people with myelofibrosis
* 40% of people with essential thrombocythemia
This is a real and sometimes debilitating symptom that can significantly affect quality of life, so it's important to discuss with your healthcare provider. Common triggers include:
* Water exposure (bathing or swimming) - known as aquagenic pruritus
* Hot showers or baths
* Alcohol consumption
* Sudden temperature changes
* Heat or being near a fire
* Cold weather or seasonal changes
* Sweating
* Wearing overly warm clothes to bed
* Dry skin
* Thyroid disease or iron deficiency
Some people experience itching constantly without an obvious trigger. Management strategies:
Start with lifestyle changes:
* Use moisturizers frequently, especially when chilled from the refrigerator
* Minimize water exposure - use baby wipes or a bidet instead of full baths
* Bathe less frequently with mild soap and lukewarm water
* Stay hydrated
* Keep your home cool and humid
* Choose cotton clothing and bedding
* Reduce stress
If these don't help, try over-the-counter antihistamines like Claritin, Zyrtec, or Allegra. Medical treatments:
If symptoms become problematic, medications that treat the underlying MPN may help. Hydroxyurea can provide some relief. Jakafi (Ruxolitinib) has successfully managed itching for many people, though it's typically not used as a first-line treatment for polycythemia vera.
Consider filling out the MPN Symptom Assessment Form (MPN-SAF) to track your symptoms objectively and share results with your doctor. This helps ensure your treatment is working and makes it easier to discuss symptom management.
April 22