Skip to content
How It Works
Explore
Resources Ask a Question
Who It's For
Patients
Decode results, prep for appointments, weigh options.
Caregivers & advocates
Carry the research load for someone you love.
Providers & clinicians
Resources for patients in your practice.
Log In Ask a Question
PubMed This is a summary of 21 peer-reviewed journal articles Updated
Neurology

Understanding Ramsay Hunt Syndrome: What It Is and Why It Happened

At a Glance

Ramsay Hunt syndrome is a neurological condition caused by the reactivation of the chickenpox virus in a facial nerve. It causes sudden facial paralysis, severe ear pain, and often a blister-like rash. Immediate treatment with antivirals and steroids within 72 hours is crucial for the best recovery.

The sudden onset of facial paralysis is a terrifying experience. Many people’s first thought is that they are having a stroke. If you have been diagnosed with Ramsay Hunt syndrome (RHS), the most important thing to know right now is that this is a viral infection, not a stroke, and it is not your fault [1][2].

While it feels like a sudden crisis, your medical team has identified a specific cause: a virus that has been living quietly in your body for years has woken up.

What Is Ramsay Hunt Syndrome?

Ramsay Hunt syndrome is a rare but well-recognized neurological condition caused by the Varicella-Zoster Virus (VZV)—the same virus that causes chickenpox and shingles [3][4].

After you recover from chickenpox as a child, the virus doesn’t leave your body. Instead, it “goes to sleep” (becomes latent) in your nerve cells [5][6]. In RHS, the virus reactivates in a specific cluster of nerve cells called the geniculate ganglion, which sits deep inside your skull and controls the muscles of your face [4][5].

When the virus wakes up and begins to replicate, it causes inflammation. Because the facial nerve passes through a very narrow bony tunnel in the skull, even a small amount of swelling can squeeze the nerve, leading to the facial weakness or paralysis you are experiencing [7][8].

Why It Happens

It is important to understand that you did nothing to cause this. VZV reactivation can happen to anyone who has had chickenpox. While it can sometimes be triggered by periods of high stress or a weakened immune system, it often occurs spontaneously [5][6].

RHS is the second most common cause of sudden peripheral facial paralysis, after Bell’s palsy [9][10]. It is estimated to account for about 2% to 10% of all facial palsy cases [11][10].

Common Symptoms and Variations

Doctors typically look for a “triad” of symptoms to diagnose RHS, though not everyone has all three [3]:

  1. Facial Paralysis: Weakness or inability to move one side of the face.
  2. Otalgia: Severe pain in or around the ear.
  3. Vesicular Rash: A painful, blister-like rash in the ear canal, on the outer ear, or inside the mouth [3][12].

Note on “Zoster Sine Herpete”: Up to one-third of patients may experience the facial paralysis and pain without ever developing the characteristic blisters [3][13]. This can make the initial diagnosis more challenging.

How It Differs from a Stroke

In a stroke, the “short circuit” happens in the brain. In Ramsay Hunt syndrome, the issue is with the nerve after it has already left the brain.

  • Movement: A stroke often spares the forehead muscles (you might still be able to wrinkle your brow), whereas RHS usually affects the entire side of the face, including the forehead [1].
  • Other Symptoms: Strokes usually come with other signs like weakness in an arm or leg, slurred speech, or confusion. RHS is focused on the cranial nerves, often involving the ear [1][14].

Why Early Treatment Matters

Medical research consistently shows that the best outcomes happen when treatment starts early. Current clinical guidelines emphasize starting a combination of antiviral medication (to stop the virus from replicating) and corticosteroids (to reduce the swelling of the nerve) within 72 hours of your symptoms starting [9][15]. This combination is more effective than taking steroids alone [9][16].

Involvement of Other Nerves

Because the facial nerve sits very close to other nerves in the skull, the inflammation can sometimes “spill over.” You may experience symptoms related to the vestibulocochlear nerve (the 8th cranial nerve), such as:

  • Hearing loss or ringing in the ear (tinnitus) [17][18].
  • Dizziness or a spinning sensation (vertigo) [14][17].

While these symptoms can be distressing, they are a known part of the syndrome and help your doctor understand exactly which nerves are affected [19][20].

A Note on Future Prevention: Once you have recovered, ask your doctor about the recombinant zoster vaccine (Shingrix). While it will not help your current episode, it is an important step to prevent future VZV reactivations [21].

Common questions in this guide

What is the difference between Ramsay Hunt syndrome and a stroke?
While both can cause sudden facial weakness, a stroke often spares your forehead muscles and may cause weakness in the arms or legs. Ramsay Hunt syndrome usually affects the entire side of your face, including the forehead, and is often accompanied by severe ear pain or a rash.
What causes Ramsay Hunt syndrome?
Ramsay Hunt syndrome is caused by the reactivation of the varicella-zoster virus, the exact same virus that causes chickenpox and shingles. After a childhood chickenpox infection, the virus can remain dormant in your nerve cells for years before waking up and causing inflammation.
Can you have Ramsay Hunt syndrome without a rash?
Yes. Up to one-third of patients experience facial paralysis and severe ear pain without ever developing the characteristic blister-like rash. This variation is sometimes called 'zoster sine herpete' and can make the initial diagnosis more challenging.
Why is early treatment for Ramsay Hunt syndrome so important?
Starting treatment with antiviral medications and corticosteroids within 72 hours of symptom onset provides the best chance for a full recovery. Early treatment helps stop the virus from replicating and quickly reduces swelling around the facial nerve.
Can Ramsay Hunt syndrome affect my hearing or balance?
Yes, it can. Because the facial nerve sits very close to the nerve that controls hearing and balance, the inflammation can spread. This may cause hearing loss, ringing in the ears (tinnitus), or dizziness and spinning sensations (vertigo).

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Based on my symptoms, how certain are you that this is Ramsay Hunt syndrome rather than Bell's palsy?
  2. 2.Am I still within the optimal window for the most effective antiviral treatment?
  3. 3.Are there any signs that the virus has affected nerves other than my facial nerve (like my hearing or balance)?
  4. 4.What are the 'red flag' symptoms I should watch for that would mean I need to return to the emergency room immediately?

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 (21)
  1. 1

    A Rare Multinuclear Lesion Secondary to Multifactorial Ischemic Stroke: A Case Report on Eight-and-a-Half Syndrome.

    Vander Zee B, Zineldine O, Diep-Plagie L

    South Dakota medicine : the journal of the South Dakota State Medical Association 2024; (77(6)):248-250.

    PMID: 39013095
  2. 2

    Bell's Palsy After 24 Hours of mRNA-1273 SARS-CoV-2 Vaccine.

    Iftikhar H, Noor SMU, Masood M, Bashir K

    Cureus 2021; (13(6)):e15935 doi:10.7759/cureus.15935.

    PMID: 34336436
  3. 3

    Ramsay Hunt syndrome.

    Jeon Y, Lee H

    Journal of dental anesthesia and pain medicine 2018; (18(6)):333-337 doi:10.17245/jdapm.2018.18.6.333.

    PMID: 30637343
  4. 4

    Facial paralysis due to Ramsay Hunt syndrome - A rare condition.

    Paiva ALC, Araujo JLV, Ferraz VR, Veiga JCE

    Revista da Associacao Medica Brasileira (1992) 2017; (63(4)):301-302 doi:10.1590/1806-9282.63.04.301.

    PMID: 28614529
  5. 5

    Clinical Features of Varicella-Zoster Virus Infection.

    Kennedy PGE, Gershon AA

    Viruses 2018; (10(11)) doi:10.3390/v10110609.

    PMID: 30400213
  6. 6

    Herpes Zoster in the Older Adult.

    John AR, Canaday DH

    Infectious disease clinics of North America 2017; (31(4)):811-826 doi:10.1016/j.idc.2017.07.016.

    PMID: 29079160
  7. 7

    Ramsay Hunt syndrome with pontine lesion: A case report.

    Ji Y, Ma GM, Kang ZL, et al.

    Medicine 2019; (98(5)):e14260 doi:10.1097/MD.0000000000014260.

    PMID: 30702583
  8. 8

    Association between Serum Varicella-Zoster Virus IgM and IgG and Prognosis of Ramsay Hunt Syndrome.

    Chung SH, Kim JM, Rim HS, et al.

    Journal of clinical medicine 2023; (12(15)) doi:10.3390/jcm12155164.

    PMID: 37568565
  9. 9

    Treatment and Prognosis of Facial Palsy on Ramsay Hunt Syndrome: Results Based on a Review of the Literature.

    Monsanto RD, Bittencourt AG, Bobato Neto NJ, et al.

    International archives of otorhinolaryngology 2016; (20(4)):394-400 doi:10.1055/s-0036-1584267.

    PMID: 27746846
  10. 10

    Ramsay-Hunt syndrome: Report of two cases with identification of the varicella zoster virus genome in cerebrospinal fluid

    Corti M, Villafañe MF, Correa J

    Biomedica : revista del Instituto Nacional de Salud 2021; (41(4)):625-630 doi:10.7705/biomedica.5985.

    PMID: 34936248
  11. 11

    Clinical Features and Prognosis of Facial Palsy and Hearing Loss in Patients With Ramsay Hunt Syndrome.

    Malhotra R, Mudey A, Agrawal I

    Cureus 2022; (14(10)):e30897 doi:10.7759/cureus.30897.

    PMID: 36465761
  12. 12

    Ramsay Hunt syndrome: characteristics and patient self-assessed long-term facial palsy outcome.

    Kanerva M, Jones S, Pitkaranta A

    European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery 2020; (277(4)):1235-1245 doi:10.1007/s00405-020-05817-y.

    PMID: 31982948
  13. 13

    Multiple cranial neuropathy due to varicella zoster virus reactivation without vesicular rash: a challenging diagnosis.

    Stornaiuolo A, Iodice R, De Simone R, et al.

    Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology 2023; (44(10)):3687-3689 doi:10.1007/s10072-023-06833-6.

    PMID: 37156980
  14. 14

    A Delayed Acute Vestibular Syndrome and Diplopia in Ramsay Hunt Syndrome With Absent Facial Nerve Paralysis After Partially Treated Varicella-Zoster Virus (VZV) Oticus.

    Bhalla A, Zubair Z, Blackbourn LW, Kattah J

    Cureus 2025; (17(12)):e99653 doi:10.7759/cureus.99653.

    PMID: 41561294
  15. 15

    Herpes zoster oticus.

    Jahr SH, Wahl MS, Majid B, Samuelsen E

    Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke 2021; (141(2021-15)) doi:10.4045/tidsskr.21.0036.

    PMID: 34726042
  16. 16

    Antiviral treatment for Ramsay Hunt syndrome: A systematic review and meta-analysis.

    Fujiwara T, Uraguchi K

    Auris, nasus, larynx 2024; (51(3)):488-491 doi:10.1016/j.anl.2024.01.008.

    PMID: 38520982
  17. 17

    [Ramsay Hunt syndrome with hearing loss and vertigo].

    Palchun VT, Guseva AL, Levina YV

    Vestnik otorinolaringologii 2019; (84(6)):69-72 doi:10.17116/otorino20198406169.

    PMID: 32027326
  18. 18

    Atypical Ramsay Hunt syndrome (zoster sine herpete) with otitis media.

    Nishizawa T, Ishikawa K, Matsuo T, et al.

    Journal of general and family medicine 2021; (22(6)):344-346 doi:10.1002/jgf2.433.

    PMID: 34754713
  19. 19

    Clinical Presentations and Outcome Studies of Cranial Nerve Involvement in Herpes Zoster Infection: A Retrospective Single-Center Analysis.

    Tsau PW, Liao MF, Hsu JL, et al.

    Journal of clinical medicine 2020; (9(4)) doi:10.3390/jcm9040946.

    PMID: 32235469
  20. 20

    [Ramsay Hunt syndrome].

    Guseva AL, Zamergrad MV, Levin OS

    Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova 2020; (120(9)):151-157 doi:10.17116/jnevro2020120091151.

    PMID: 33081461
  21. 21

    Ramsay Hunt Syndrome: An Introduction, Signs and Symptoms, and Treatment.

    Goswami Y, Gaurkar SS

    Cureus 2023; (15(1)):e33688 doi:10.7759/cureus.33688.

    PMID: 36793818

This page provides educational information about Ramsay Hunt syndrome and its symptoms. It does not replace professional medical advice, and you should seek immediate emergency care for any sudden facial paralysis to rule out stroke and begin early treatment.

Get notified when new evidence is published on Ramsay Hunt syndrome.

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