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Long-Haul COVID-19 in Children and Teens

​By: Peter Rowe, MD, FAAP

Most kids and teens who test positive for COVID-19 have mild, or even no, symptoms. But it's becoming clear that some are experiencing symptoms more than a month after they've been infected with SARS-CoV-2, the virus that causes COVID-19. A number of post-COVID conditions have been identified in kids, most notably continued or recurring symptoms referred to as as "long-haul COVID," sometimes also called "long COVID" or "Post-Acute COVID-19." Research on this condition continues.

Who gets long-haul COVID?

No one is certain exactly how many people who've had COVID-19 end up being long haulers. One study showed that as many as 52% of teens and young adults between ages 16 and 30 may experience lingering symptoms 6 months after having COVID. The United Kingdom Office for National Statistics estimated that 12.9% of children 2 to 11 years of age and 14.5% of children 12 to 16 years of age still experienced symptoms 5 weeks after infection.

What experts do know is that long-haul COVID can happen even in people who had mild or no symptoms of COVID-19. The symptoms they experienced during the acute infection may not go away, even long after their infection is gone. Sometimes, long-haul COVID symptoms start after a person is feeling better. Or, if they were asymptomatic (didn't have COVID symptoms), they may experience them weeks later. Any of these symptoms can be new and different, or they may be the same as the ones your child or teen had during the COVID infection.

COVID-19: ​We're in it for the Long Haul

By: Melissa Lynch

COVID doesn't affect kids, right? That's what we thought at the beginning of this pandemic.

We had just moved, and local schools were in virtual and hybrid learning mode. We needed the internet line run to our house still, so we went to a public place for WiFi access. There were only about seven other students in the building. Social distancing was in place, but masks were not required indoors for gatherings of less than 10 people at that time.

Within three days, we learned that one of the children in the building had tested positive for COVID. Within another three days, our 11-year-old daughter, Wednesday, started having mild symptoms of COVID. As a precaution, her doctor arranged for care in a virtual hospital for COVID-positive kids. Her symptoms remained mild: headaches, loss of smell, extreme fatigue. I was monitoring her vitals every two hours and reporting to the virtual hospital three times a day.

There were only 3 days that we're a little risky. Wednesday's oxygen levels dropped into the 70s, so she given albuterol treatments every four hours. Her breathing stabilized, and she was released from the hospital at the end of the month to resume normal activities and school. We didn't realize was that our journey had only just begun.

Wednesday only got to return to school one day before the lethargy returned. She saw her primary care doctor and was diagnosed with Post-Acute Covid-19. The lethargy, along with headaches and extreme fatigue and intermittent low-grade fevers, lasted through December.

In January, her cardiologist cleared her to return to normal physical activity. She tried to ease back into cheerleading, but after three weeks came home from practice feeling lethargic and spiked a 103.4 fever. She could not get out of bed for three days.

Wednesday was unable to keep up even with the virtual classes, falling asleep wherever she sat. We pulled her from a structured school environment to give her the flexibility needed for medical reasons, and homeschooled her. During homeschool, we realized that she was not retaining what she was learning; she could watch a documentary and not remember anything about it.

She had been an Honor Roll student at an award-winning magnet school who tested above her grade level in several subjects. Now, she couldn't even take notes, retain or remember. Her cognitive levels in learning were soon showing now at 31 percentile, and two grade levels behind.

Wednesday, who is now 12, has met testing protocols for multisystem inflammatory syndrome in children (MIS-C) three times. She's been diagnosed with Post-Exertional Malaise and Postural Orthostatic Tachycardia Syndrome (POTS). Since January, she has had 23 relapses of post-COVID symptoms. They average about two weeks apart. Every relapse seems different with new symptoms each time.

She is declining. At this writing, she has swollen lymph nodes and a 103.2 fever. She is dealing with cardiac symptoms such as rapid heartbeat, chest pressure, fainting, and major fluctuations in her blood pressure. She has gastrointestinal symptoms like vomiting and abdominal pain, and neurological issues like loss of feeling in her lower extremities. She recently experienced a seizure.

My once happy and energetic child's eyes now cloud over. She glitches like a computer rebooting during normal everyday tasks.

As we've learned all too well, COVID-19 does affect children. Even kids who had no symptoms, or only mild symptoms while infected, can develop the debilitating symptoms of Long COVID. I wouldn't wish this on anyone.

Melissa Lynch, CMA, RMA, is the USA Lead Director for the international parent organization, Long Covid Kids.

What are symptoms of long-haul COVID?

The most common symptoms of long-haul COVID include:

  • Fatigue and poor physical endurance

  • Difficulty thinking or concentrating, also known as "brain fog"

  • Cough

  • Trouble breathing

  • Joint or muscle pain

  • Chest or stomach pain

  • Mood changes

  • Headache

  • Fever

  • Heart palpitations

  • Loss of or changes in smell or taste

  • Lightheadedness when standing up

There are a variety of chronic symptoms your child can experience after having COVID-19. The specific symptoms your child has could depend on how severe their COVID infection was. For instance, if your child was in the intensive care unit (ICU) on a ventilator, they might have fatigue and weak muscles, as well as a fast heart rate and brain fog. These are common effects in people who have spent time in the ICU.

How is long-haul COVID diagnosed?

There's no specific test to diagnose long-haul COVID, so it's diagnosed based on symptoms. Your pediatrician may run other tests or refer you to a pediatric sub-specialist, especially if symptoms continue more than 3 months, to be certain there's nothing else causing your child's symptoms.

How long does it last?

That's still unknown. More studies need to be done to understand what's going on.

What causes it?

Researchers are still trying to figure out what causes some people to experience long-haul COVID. It will probably take some years before we know much.

How is it treated?

Treatment depends on what symptoms your child is having. Your pediatrician will treat individual symptoms, such as headaches, lightheadedness, or problems sleeping.

What about multisystem inflammatory syndrome in children (MIS-C)?

You may have heard of multisystem inflammatory syndrome in children (MIS-C), a serious condition that may be related to COVID-19. However, doctors don't know for sure yet what causes MIS-C. They just know that many kids who have had it either had COVID-19 or were around someone else who did. Also, keep in mind that MIS-C is rare.

When to seek help

If your child has been infected with SARS-CoV-2, the virus that causes COVID-19, stay in touch with your pediatrician to monitor for any lingering symptoms. Many medical centers in the United States are creating post-COVID care clinics so they can treat long-haul COVID more effectively. Your pediatrician can help you find a subspecialist or clinic if your child needs one.

Remember

COVID-19 vaccines are the best way to protect your family against COVID-19 and post-COVID conditions, including long-haul COVID. Vaccines are currently available for anyone over 12 years old, and may be authorized soon for younger children.

More information

About Dr. Rowe

Peter Rowe, MD, FAAP, is a Professor of Pediatrics at the Johns Hopkins University School of Medicine and serves as the Director of the Chronic Fatigue Clinic at Johns Hopkins Children's Center. He is a member of the American Academy of Pediatrics Maryland Chapter.

Last Updated
10/14/2021
Source
American Academy of Pediatrics (Copyright © 2021)
The information contained on this Web site should not be used as a substitute for the medical care and advice of your pediatrician. There may be variations in treatment that your pediatrician may recommend based on individual facts and circumstances.
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