Facts 05/07/2025 22:28

Is 'Razor Blade Throat' Really a Sign of the Newest COVID Variant?

As COVID-19 continues to evolve, so do its symptoms. One of the most discussed signs of the latest variant is the so-called "razor blade throat"—a term used to describe an extremely painful sore throat that feels like swallowing glass. But is this symptom truly linked to the new COVID strain? Here’s what we know.


What Is "Razor Blade Throat"?

"Razor blade throat" is not a medical term but rather a vivid way patients describe intense throat pain. Unlike the mild sore throat seen in earlier COVID variants, this symptom is sharper, more persistent, and often worsens when swallowing.

Patients have compared it to:

  • Swallowing broken glass

  • Having cuts in the throat

  • Severe strep throat-like pain

This alarming discomfort is what has drawn attention to its potential link to the new variant.


Is It Caused by the Newest Variant?

According to doctors and virologists, the latest Omicron subvariants—such as EG.5 (Eris) and JN.1—have been reported to cause stronger upper respiratory symptoms compared to earlier strains. Among them, a severe sore throat appears more frequently.

Clinical observations suggest:

  • A sharp sore throat can be an early and dominant symptom.

  • It often appears within the first 1–2 days of infection.

  • Other accompanying symptoms may include runny nose, fatigue, sneezing, and mild fever.

However, not everyone with the new variant experiences this throat pain, and it may vary based on individual immune response and vaccination status.


How to Tell If It’s COVID or Something Else

Since sore throats are also common in flu, strep, or other viral infections, it’s important not to jump to conclusions. Here’s how you might differentiate:

Condition Sore Throat Other Common Symptoms
COVID (new variants) Sharp, sudden, painful Fatigue, sneezing, congestion, mild fever
Flu Dry or scratchy High fever, muscle aches, chills
Strep throat Very painful, red throat Fever, swollen lymph nodes, no cough

The only way to know for sure is to get tested.


What Should You Do If You Experience This?

If you feel a razor-sharp sore throat:

  • Get tested for COVID-19 and other infections.

  • Stay hydrated and rest as much as possible.

  • Use throat lozenges, warm saltwater gargles, and pain relievers if needed.

  • Isolate if you test positive to prevent spreading the virus.

If the pain is unbearable or persists for more than a few days, seek medical attention.

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