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Health condition

Hermansky-Pudlak syndrome

Hermansky-Pudlak syndrome combines albinism, a platelet storage defect causing bleeding, and - in some genetic types - progressive lung fibrosis; recognising the syndrome behind the bleeding is vital because the lungs determine the outlook.

Why trust this guide

  • 01

    Editorial team

    Written by our editorial team from the UK sources listed on each page.

  • 02

    Sourced from guidance

    Checked against current NHS and UK specialist society guidance at the time of review.

  • 03

    Current for 2026

    Reviewed on 2026-09-27 with the next review scheduled for 2027-09-27.

Key facts

The essentials at a glance.

The symptoms to recognise, when to seek help, which specialist to see, and what treatment usually involves.

  • Combines oculocutaneous albinism with absent platelet dense granules

  • Certain types (notably HPS-1 and HPS-4) carry a high risk of pulmonary fibrosis in mid-life

  • Bleeding is managed with tranexamic acid, desmopressin and peri-operative planning

  • Genetic typing directs lung surveillance and family counselling

Understanding the condition

What it is and what happens next.

What causes it, how it is diagnosed, and the treatment routes available in the UK.

What it is and how it feels

The syndrome links features that seem unrelated: light skin and hair, reduced visual acuity with nystagmus, and a bleeding tendency from platelets whose dense granules - tiny packets of clot-amplifying chemicals - are missing. Some types add granulomatous colitis or immune problems. It is rare worldwide but notably concentrated in people of Puerto Rican descent, and genetic testing now defines eleven or more subtypes.

Diagnosis and treatment routes

The pivotal clinical fact is pulmonary: adults with HPS-1 and HPS-4 face a high likelihood of progressive lung fibrosis from their thirties or forties, making baseline lung function, ongoing surveillance and early referral for antifibrotic assessment or transplant evaluation central to care. Bleeding management mirrors other storage pool disorders. A syndromic diagnosis, rather than a label of easy bruising, changes this trajectory. In many parts of the UK, routine NHS referrals for this kind of problem can take months, whereas an initial appointment with a private consultant is typically available within around two weeks.

Seeing a specialist

Who to see, and how quickly you can be seen.

The specialist for this condition is usually a consultant haematologist. Your GP can refer you on the NHS, or you can arrange a private consultation directly.

A quiet reminder

This guide is for information, not medical advice.

Your GP knows your history and can tell you which parts apply to you. If in doubt, see them - and seek urgent care for any of the emergency symptoms described above.

Frequently asked

Common questions about Hermansky-Pudlak syndrome.

Quick, plain-English answers to what people ask us most.

  • What is Hermansky-Pudlak syndrome?

    Hermansky-Pudlak syndrome is a rare inherited condition causing albinism (reduced pigmentation of skin, hair, and eyes) alongside a bleeding tendency due to platelet dysfunction, and in some subtypes, progressive lung scarring (pulmonary fibrosis) and bowel problems. It is caused by defects in specialised cell structures involved in pigment and platelet granule formation. Severity and specific features vary depending on the exact genetic subtype involved.

  • What causes Hermansky-Pudlak syndrome?

    It is caused by inherited mutations in one of several genes involved in forming specialised cellular structures called lysosome-related organelles, which are needed for normal pigment production and platelet function. It is inherited in an autosomal recessive pattern, meaning both parents must carry a faulty copy of the relevant gene for a child to be affected. There are multiple genetic subtypes, each associated with somewhat different symptom patterns and severity.

  • What are the symptoms of Hermansky-Pudlak syndrome?

    Symptoms include reduced pigmentation of the skin, hair, and eyes (albinism), often with associated visual problems, alongside easy bruising and prolonged bleeding due to platelet dysfunction. In certain subtypes, progressive lung scarring can develop, typically in adulthood, causing breathlessness, and some subtypes are also associated with inflammatory bowel disease. The specific combination and severity of features varies depending on the exact genetic subtype.

  • Is Hermansky-Pudlak syndrome dangerous?

    Yes, particularly the subtypes associated with progressive pulmonary fibrosis, which can be a serious, life-limiting complication requiring specialist respiratory management, sometimes including consideration of lung transplantation in advanced cases. The bleeding tendency also needs careful management, particularly around any surgery or dental procedures. With appropriate multidisciplinary specialist care, many aspects of the condition can be well managed, though the pulmonary complications in certain subtypes remain a significant long-term concern.

  • Is Hermansky-Pudlak syndrome hereditary?

    Yes, it is an autosomal recessive genetic condition, meaning both parents must carry a faulty copy of the relevant gene for a child to be affected. Genetic testing can identify the specific subtype involved, which helps predict the likely pattern of associated complications. Genetic counselling is recommended for affected families given the implications for future pregnancies.

  • How is Hermansky-Pudlak syndrome managed?

    Management is multidisciplinary and tailored to the specific features present, including regular eye care for visual problems related to albinism, careful management of bleeding risk around any procedures, and, for subtypes with lung involvement, regular respiratory monitoring and specific treatment as lung disease progresses. Skin protection from sun exposure is also important given the reduced pigmentation. A specialist team experienced with this rare condition coordinates this comprehensive care.

  • Can Hermansky-Pudlak syndrome be cured?

    There is no cure for the underlying genetic condition, but individual features can be actively managed, and for progressive lung disease in certain subtypes, specific treatments and, in severe cases, lung transplantation may be considered. Ongoing multidisciplinary specialist care helps manage the various aspects of this condition throughout life. Research into more targeted treatments, particularly for the pulmonary complications, continues.

  • Hermansky-Pudlak syndrome vs other forms of albinism — what is the difference?

    Other forms of albinism typically cause reduced pigmentation and associated visual problems without the additional bleeding tendency and, in certain subtypes, lung or bowel complications seen in Hermansky-Pudlak syndrome. This additional combination of features is what distinguishes Hermansky-Pudlak syndrome and makes accurate diagnosis important, since it changes the overall monitoring and management approach considerably. Genetic testing helps confirm this specific diagnosis when the combination of albinism with bleeding tendency raises suspicion.

  • When should I see a specialist about possible Hermansky-Pudlak syndrome?

    See a doctor if you have albinism combined with easy bruising or bleeding tendency, so genetic testing and appropriate broader assessment can be arranged. A private assessment, including genetics and haematology input, can typically be arranged within about one to two weeks. Given the rarity and complexity of this condition, referral to a specialist centre experienced with Hermansky-Pudlak syndrome is valuable for comprehensive, coordinated care.