Skip to content
PubMed This is a summary of 10 peer-reviewed journal articles Updated
Intensive Care Medicine · Hemorrhagic Fever with Renal Syndrome

Standard of Care: Hospital Management and Support

At a Glance

Treatment for Hemorrhagic Fever with Renal Syndrome (HFRS) relies on supportive hospital care rather than targeted antivirals. Care teams focus on strict fluid management to prevent lung complications, vasopressors for blood pressure, and temporary dialysis to support failing kidneys.

Because there is currently no targeted antiviral medication proven to cure Hemorrhagic Fever with Renal Syndrome (HFRS), medical treatment focuses on supportive care [1]. This means your healthcare team is not attacking the virus directly; instead, they are performing the vital functions your body is temporarily struggling to do for itself—like maintaining blood pressure and filtering waste—until your immune system settles and your organs can recover [1][2].

The Core of ICU Management

In severe cases, you will likely be cared for in an Intensive Care Unit (ICU). The team’s primary mission is to manage the “leakiness” of your blood vessels and the resulting stress on your kidneys [2].

1. Delicate Fluid Balance

This is the most complex part of HFRS care. Because your capillaries are leaky, fluid can easily escape from your blood vessels and settle in your tissues [3].

  • The Balancing Act: Your care team will be very careful not to give you too much standard IV fluid. While fluids raise blood pressure, giving too much can cause the fluid to leak into the lungs, leading to pulmonary edema, which makes it difficult to breathe [3][4].
  • Collaborating With Your Team: Fluid management in HFRS differs from standard sepsis care. It is entirely appropriate for you or your caregiver to ask the doctor to explain the strategy for balancing your fluids each day [3][1].

2. Blood Pressure Support

When fluids alone are not the safe choice to keep your blood pressure up, doctors use vasopressors [3]. These are powerful medications given through an IV to tighten your blood vessels and ensure your brain and heart get enough oxygenated blood [1].

3. Managing Kidney Failure

If your kidneys stop producing urine or can no longer clear dangerous toxins and potassium from your blood, you may need Renal Replacement Therapy (RRT), commonly known as dialysis [2][5].

  • Continuous Dialysis (CRRT): In an ICU setting, doctors often prefer Continuous Renal Replacement Therapy (CRRT). Unlike standard dialysis, which lasts a few hours, CRRT runs 24/7 at a slower, gentler pace. This is much easier on your heart and blood pressure [6].
  • Indicators for Dialysis: Common reasons to start dialysis include dangerously high potassium levels, too much acid in the blood, or extreme fluid backup that is affecting your breathing [2].

A Note on Ribavirin

You may hear about or be offered an antiviral drug called Ribavirin. While it has been used in some parts of the world, its effectiveness for HFRS remains controversial and unproven for many strains [7]. Some studies have shown it does not significantly improve outcomes, especially if started after the early fever phase has already passed [7][8].

  • Having the Conversation: If your doctor suggests Ribavirin, do not assume they are making a mistake. Treatment guidelines vary by country and region. A good way to handle this is to ask, “I understand Ribavirin’s benefits for HFRS are sometimes debated. Could you explain why you feel it is the right choice for my specific situation and phase of illness?” This opens a productive dialogue without damaging trust.

Monitoring During Recovery

As you move into the recovery phase, your body will suddenly shift from holding fluid to flushing it out in massive amounts. This is the diuretic phase [4].

  • Dehydration Risk: During this time, you may urinate several liters a day. If your care team doesn’t help you replace those fluids and electrolytes (like potassium and sodium) quickly enough, you can become dangerously dehydrated [9][10].
  • Transition Care: This phase requires just as much vigilance from your nurses as the earlier stages to ensure your blood pressure remains stable as your body resets [10].

Common questions in this guide

How is Hemorrhagic Fever with Renal Syndrome (HFRS) treated?
Because there is no proven antiviral cure for HFRS, treatment relies entirely on supportive care in a hospital setting. Doctors will manage your blood pressure, carefully balance your IV fluids, and support your kidney function until your immune system recovers.
Why are IV fluids strictly limited during HFRS treatment?
While IV fluids help raise blood pressure, giving too much can cause fluid to leak from damaged blood vessels into your lungs. This dangerous complication, called pulmonary edema, makes it very difficult to breathe, which is why doctors must strictly limit your fluids.
Will I need dialysis if I have HFRS?
You may need temporary dialysis if your kidneys stop producing urine or cannot filter out dangerous toxins and potassium. In the ICU, doctors often use continuous dialysis (CRRT) because it runs at a gentler pace that is easier on your heart and blood pressure.
Is the antiviral drug Ribavirin used to treat HFRS?
Ribavirin is an antiviral drug sometimes offered for HFRS, but its effectiveness remains controversial and unproven for many strains. Whether it is used depends on regional treatment guidelines and what early phase of the illness you are currently in.
What happens during the HFRS recovery phase?
As your body recovers, it will enter a diuretic phase where you will rapidly flush out massive amounts of fluid, urinating several liters a day. Your nurses must carefully monitor and replace your fluids and electrolytes to prevent severe dehydration.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Can you explain the fluid management plan for today, and what signs you're monitoring to balance my blood pressure with the risk to my lungs?
  2. 2.What are the specific laboratory triggers or symptoms that would lead you to start me on dialysis?
  3. 3.Is this facility equipped for Continuous Renal Replacement Therapy (CRRT) if my blood pressure becomes too unstable for standard dialysis?
  4. 4.Are you monitoring my electrolytes, particularly potassium, during this low-urine phase?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (10)
  1. 1

    Coagulopathy in Acute Puumala Hantavirus Infection.

    Koskela S, Mäkelä S, Strandin T, et al.

    Viruses 2021; (13(8)) doi:10.3390/v13081553.

    PMID: 34452419
  2. 2

    [Cardio-renal syndrome: perspectives of research in infectious diseases].

    Maleev VV, Fomin VV, Manakhov KM, Volkova OS

    Terapevticheskii arkhiv 2025; (97(11)):902-907 doi:10.26442/00403660.2025.11.203463.

    PMID: 41524162
  3. 3

    Hantavirus Cardiopulmonary Syndrome Due to Imported Andes Hantavirus Infection in Switzerland: A Multidisciplinary Challenge, Two Cases and a Literature Review.

    Kuenzli AB, Marschall J, Schefold JC, et al.

    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2018; (67(11)):1788-1795 doi:10.1093/cid/ciy443.

    PMID: 30084955
  4. 4

    Hemorrhagic fever with renal syndrome caused by Hantaan virus infection in four pregnant Chinese women.

    Ji F, Zhao W, Liu H, et al.

    Journal of medical virology 2017; (89(10)):1865-1870 doi:10.1002/jmv.24856.

    PMID: 28504470
  5. 5

    Hemorrhagic fever with renal syndrome in Albania. Focus on predictors of acute kidney injury in HFRS.

    Rista E, Pilaca A, Akshija I, et al.

    Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology 2017; (91()):25-30 doi:10.1016/j.jcv.2017.03.021.

    PMID: 28411480
  6. 6

    Continuous renal replacement therapy rescues severe haemorrhagic fever with renal syndrome in pregnancy: a case report.

    Ying X, Lai X, Jin X, et al.

    BMC infectious diseases 2020; (20(1)):920 doi:10.1186/s12879-020-05638-8.

    PMID: 33272200
  7. 7

    Insufficient efficacy and safety of intravenous ribavirin in treatment of haemorrhagic fever with renal syndrome caused by Puumala virus.

    Malinin OV, Platonov AE

    Infectious diseases (London, England) 2017; (49(7)):514-520 doi:10.1080/23744235.2017.1293841.

    PMID: 28276794
  8. 8

    In-cell Western assay to quantify infection with pathogenic orthohantavirus Puumala virus in replication kinetics and antiviral drug testing.

    Nusshag C, Schreiber P, Uhrig J, et al.

    Virus research 2023; (337()):199230 doi:10.1016/j.virusres.2023.199230.

    PMID: 37777116
  9. 9

    Hemorrhagic fever with renal syndrome accompanied by panhypopituitarism and central diabetes insipidus: a case report.

    Ahn HJ, Chung JH, Kim DM, et al.

    Journal of neurovirology 2018; (24(3)):382-387 doi:10.1007/s13365-018-0624-6.

    PMID: 29508304
  10. 10

    When polyuria does not stop: a case report on an unusual complication of hantavirus infection.

    Schwab S, Lissmann S, Schäfer N, et al.

    BMC infectious diseases 2020; (20(1)):713 doi:10.1186/s12879-020-05429-1.

    PMID: 32993515

This page is for informational purposes only and does not replace professional medical advice. Always consult your healthcare team regarding your specific HFRS treatment and ICU management plan.

Get notified when new evidence is published on Hemorrhagic fever-renal syndrome.

We monitor PubMed for new peer-reviewed studies on this topic and email a short summary when something meaningful changes.