Is Sore Throat a COVID Symptom or Something Else?

Yes, sore throat is a recognized COVID-19 symptom and one of the most common ones, especially with recent variants. The CDC lists it among the primary symptoms of COVID-19 alongside fever, cough, fatigue, and congestion. During the Omicron wave, roughly 70% of infected people reported a sore throat, making it more prevalent than many of the symptoms people traditionally associate with COVID.

How Common Sore Throat Is Across Variants

Sore throat has become increasingly common as the virus has evolved. A 2022 study published in The Lancet found that 70.5% of patients infected during the Omicron-dominant period reported a sore throat, compared to 60.8% during the earlier Delta wave. This shift reflects Omicron’s tendency to concentrate more in the upper respiratory tract (the nose, mouth, and throat) rather than deep in the lungs.

Earlier in the pandemic, sore throat was less prominent. A large study from China covering more than 55,000 COVID-19 patients found that only about 14% reported it. So while sore throat has always been a possible COVID symptom, the odds of experiencing it have increased substantially with newer variants.

Why COVID Causes a Sore Throat

The virus enters through the upper respiratory tract, typically via inhaled droplets. Cells lining the throat have receptor proteins on their surface that the virus uses to break in and start replicating. Once inside those cells, two things cause the pain and inflammation you feel. First, immune cells attack and destroy infected throat cells directly. Second, the immune response floods the area with inflammatory signals to fight the infection, which creates collateral irritation and swelling in surrounding tissue. The result is that raw, scratchy, or burning sensation that can last several days.

COVID Sore Throat vs. Strep Throat

This is one of the most common points of confusion, and the two feel noticeably different. Strep throat typically hits suddenly and hard. Swallowing becomes intensely painful, and a fever usually comes with it. When you look at the back of the throat, strep tends to make the tissue bright red with yellow or white patches on the tonsils. The lymph nodes under your ears often swell and feel tender. Crucially, strep is usually isolated to the throat. You generally won’t have a runny nose, cough, or other respiratory symptoms.

A COVID sore throat, by contrast, usually arrives alongside a constellation of other symptoms: congestion, cough, fatigue, headache, body aches, and sometimes digestive issues like nausea or diarrhea. COVID also takes longer to show up after exposure. Strep appears fairly suddenly, while COVID symptoms typically develop over a few days as the virus incubates. If your sore throat came with a cough or runny nose, COVID (or another respiratory virus) is more likely than strep.

COVID Sore Throat vs. Allergies

Seasonal allergies can irritate the throat too, but the pattern is different. The Mayo Clinic classifies sore throat as “usually” present with COVID and only “sometimes” with allergies. Allergy-related throat irritation tends to come from postnasal drip rather than direct infection of throat tissue, so it often feels more like a persistent tickle or mild scratchiness rather than true soreness.

The biggest distinguishing factor is what else is happening. Allergies cause itchy eyes and frequent sneezing, symptoms that rarely show up with COVID. COVID, on the other hand, can cause shortness of breath, fever, body aches, fatigue, and loss of taste or smell, none of which are typical allergy symptoms. Allergies also follow a predictable seasonal pattern and respond to antihistamines. If your sore throat doesn’t improve with allergy medication and you’re also feeling unusually tired or feverish, testing for COVID is the clearest way to get an answer.

Managing a COVID Sore Throat at Home

Most people with COVID have mild illness and recover at home. For sore throat specifically, over-the-counter pain relievers like acetaminophen or ibuprofen can reduce both pain and inflammation. Throat lozenges, warm saltwater gargles, and staying well-hydrated all help keep the irritated tissue from drying out and feeling worse. Cool or room-temperature drinks may feel more soothing than hot ones for some people, though this is personal preference.

The sore throat from COVID typically peaks within the first few days of symptom onset and begins improving within a week for most people. If your sore throat is severe enough that you’re struggling to swallow fluids, or if it persists well beyond your other symptoms, that’s worth a conversation with a healthcare provider to rule out a secondary infection like strep, which can sometimes follow a viral illness.

When to Test

A sore throat alone doesn’t confirm COVID. It’s one of the most common symptoms of respiratory viruses in general, including colds and the flu. The combination of symptoms matters. If your sore throat shows up alongside two or more of the following, a COVID test is a reasonable next step: fever or chills, new cough, unusual fatigue, body aches, congestion, headache, loss of taste or smell, or digestive symptoms. A rapid antigen test at home can give results in about 15 minutes, though testing on the second or third day of symptoms tends to be more accurate than testing at the very first sign of a scratchy throat.