Paroxysmal Nocturnal Hemoglobinuria Quiz

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Learn more about Paroxysmal nocturnal hemoglobinuria

Content updated on Nov 2, 2022

What is paroxysmal nocturnal hemoglobinuria?

Paroxysmal nocturnal hemoglobinuria is a rare and life-threatening disease of the blood. The disease is characterized by destruction of red blood cells, blood clots, and impaired bone marrow function.

Symptoms of paroxysmal nocturnal hemoglobinuria

  • Bloody or red urine

  • Easily fatigued

Questions your doctor may ask to check for paroxysmal nocturnal hemoglobinuria

Your doctor may ask these questions to diagnose paroxysmal nocturnal hemoglobinuria

  • Have you ever had red or brown urine (hematuria)?

  • Do you get tired easily?

Treatment for paroxysmal nocturnal hemoglobinuria

Treatment depends on the severity of the symptoms. Options include medication therapy and bone marrow transplant.

View the symptoms of Paroxysmal nocturnal hemoglobinuria

  • Blood in urine


  • Brodsky RA. Paroxysmal nocturnal hemoglobinuria. Blood. 2014 Oct 30;124(18):2804-11. doi: 10.1182/blood-2014-02-522128. Epub 2014 Sep 18. PMID: 25237200; PMCID: PMC4215311.

  • Devalet B, Mullier F, Chatelain B, Dogné JM, Chatelain C. Pathophysiology, diagnosis, and treatment of paroxysmal nocturnal hemoglobinuria: a review. Eur J Haematol. 2015 Sep;95(3):190-8. doi: 10.1111/ejh.12543. Epub 2015 Mar 26. PMID: 25753400.

  • Parker C, Omine M, Richards S, Nishimura J, Bessler M, Ware R, Hillmen P, Luzzatto L, Young N, Kinoshita T, Rosse W, Socié G; International PNH Interest Group. Diagnosis and management of paroxysmal nocturnal hemoglobinuria. Blood. 2005 Dec 1;106(12):3699-709. doi: 10.1182/blood-2005-04-1717. Epub 2005 Jul 28. PMID: 16051736; PMCID: PMC1895106.

  • Bektas M, Copley-Merriman C, Khan S, Sarda SP, Shammo JM. Paroxysmal nocturnal hemoglobinuria: current treatments and unmet needs. J Manag Care Spec Pharm. 2020 Dec;26(12-b Suppl):S14-S20. doi: 10.18553/jmcp.2020.26.12-b.s14. PMID: 33356783.

Reviewed By:

Yoshinori Abe

Yoshinori Abe, MD (Internal medicine)

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

Shohei Harase

Shohei Harase, MD


Kameda Medical Center, Japan

Yu Shirai

Yu Shirai, MD


Yotsuya Yui Clinic, Japan

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

Co-founder of Ubie, Inc.

Rohini R

Rohini R, MD

Ear, nose, throat (ENT)

Bayshore Health Centre, India

Seiji Kanazawa

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

National Center for Child Health and Development, Japan

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