COVID-19 is a respiratory disease caused past the virus SARS-CoV-ii. It commonly causes coughing, fever, and difficulty breathing, simply the symptoms tin vary widely. Sometimes, COVID-19 may too cause bloated lymph nodes.

Lymph nodes, too known as glands, are office of the immune organisation. They're small-scale bean-shaped structures that filter strange substances, including viruses and bacteria. There are lymph nodes throughout your entire body.

Usually, lymph nodes feel like difficult peas. Merely when you take an infection, your lymph nodes produce more white blood cells to fight the germs. This can make them swollen, large, and soft to the touch.

Though uncommon, information technology's possible for COVID-19 to crusade swollen lymph nodes in the neck or under the jaw.

Read on to larn nigh this symptom. We'll discuss why this happens, other potential causes, and when you should see a doctor.

A swollen lymph node volition look like a large circular or oval crash-land underneath the skin.

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Bloated lymph nodes in the neck, or cervical lymphadenopathy, can occur in the forepart or dorsum areas of the neck. James Heilman, Doctor, CC BY-SA 3.0, via Wikimedia Commons

According to a 2020 article, bloated lymph nodes aren't a usual symptom of COVID-19.

Still, there have been reports of people with COVID-19 experiencing this symptom.

For example, in a 2022 case report, a young man with COVID-19 had bloated lymph nodes in the neck and under the jaw. In another 2022 case written report, a young woman with mild COVID-19 symptoms had a swollen gland in the neck.

A third 2022 article as well reports bloated lymph nodes in three people who tested positive for COVID-19. According to the researchers, SARS-CoV-2 may cause throat inflammation. This inflammation could cause an immune reaction in nearby lymph nodes, including those in the neck.

These reports advise that it'southward possible, but uncommon, for COVID-19 to cause swollen glands. Information technology's as well worth noting that symptoms can vary widely from person to person. Researchers are all the same learning nearly how COVID-19 affects unlike people.

More common symptoms involving the neck and pharynx include:

  • coughing
  • sore throat
  • muscle aches, which may touch on the neck expanse

In that location'southward minimal enquiry on the prevalence of swollen lymph nodes in people mail service-COVID-19.

According to a 2022 case report, swollen lymph nodes can persist after a person has recovered from COVID-xix. It'due south also possible for them to appear subsequently recovery.

In the report, a young woman had bloated glands subsequently recovering from COVID-19. However, the bloated lymph nodes were in the hilum and mediastinum. The hilum is the part that attaches your lungs to supporting structures. The mediastinum is the area betwixt the lungs.

More inquiry is needed to sympathise the link betwixt long COVID-19 and swollen lymph nodes.

It'due south possible to develop swollen lymph nodes later getting a COVID-19 vaccine. Typically, it occurs in the neck or armpit region. It besides develops about the arm that you received the vaccine.

In a 2022 article, iv out of 80 people developed a bloated lymph node in the neck afterwards receiving the kickoff dose of the vaccine. A 2022 case report describes twenty people who adult bloated glands on their collarbone afterwards the first or second dose.

Besides, according to a

Nutrient and Drug Administration (FDA) document

, lymph node swelling in the armpit was the 2nd most common local reaction. Local reactions are limited to a specific body role.

The swollen lymph nodes typically appear 2 to 4 days after getting the vaccine. The reaction is besides unremarkably associated with Moderna vaccine, though it tin can happen with the Pfizer vaccine, likewise.

This side upshot is a natural response to the vaccine. The vaccine contains pieces of mRNA, which brand the body produce spike protein, a molecule that's specific to SARS-CoV-two.

The torso recognizes the protein as a foreign substance. This triggers an immune response, which increases the production of white blood cells to fight the protein. In plow, your lymph nodes may swell.

If yous call up you accept COVID-19, speak with a nurse or doctor. They can advise the side by side steps based on your symptoms.

If you develop a swollen lymph node subsequently getting the COVID-nineteen vaccine, think that this is a normal reaction. Speak with a doctor if you're concerned.

Y'all should as well meet a doctor if yous accept:

  • swollen lymph nodes that last for more 2 weeks
  • red, tender, or painful lymph nodes
  • difficulty animate or swallowing
  • dark sweats
  • persistent fever
  • unexplained weight loss
Medical emergency

The following symptoms require immediate medical help:

  • persistent fever
  • chills
  • difficulty swallowing or breathing

It's possible to develop a swollen lymph node in the neck or under the jaw due to COVID-nineteen. However, it'south an uncommon side effect of the affliction.

There are more than reports of the COVID-nineteen vaccine causing swollen lymph nodes in the cervix and armpit. This is linked to the allowed response triggered by the vaccine.

If y'all're concerned well-nigh a swollen lymph node in any part of the body, visit your medico. They can determine what's causing the swelling based on your medical history and symptoms.