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Multisystem Inflammatory Syndrome (MIS-C)

 What is MIS-C?

Multisystem inflammatory syndrome in children (MIS-C) is a condition where different body parts can become inflamed, including the heart, lungs, kidneys, brain, skin, eyes, or gastrointestinal organs. Children with MIS-C may have a fever and various symptoms, including abdominal (gut) pain, vomiting, diarrhea, neck pain, rash, bloodshot eyes, or feeling extra tired. We do not yet know what causes MIS-C. However, many children with MIS-C had the virus that causes COVID-19, or had been around someone with COVID-19.


MIS-C Emergency Care

Contact your child’s doctor, nurse, or clinic right away if your child is showing symptoms of MIS-C or symptoms of COVID-19. Seek emergency care right away if your child is showing any of these emergency warning signs or other concerning signs:


Call 911 or call ahead to your local emergency facility: Notify the operator that you are seeking care for someone who has or may have COVID-19.


What to do if you think your child is sick with MIS-C

Contact your child’s doctor, nurse, or clinic right away if your child is showing symptoms of MIS-C:

Fever

Abdominal pain

Vomiting

Diarrhea

Neck pain

Rash

Bloodshot eyes

Feeling extra tired

Be aware that not all children will have all the same symptoms.


Seek emergency care right away if your child is showing any of these emergency warning signs of MIS-C or other concerning signs:


Trouble breathing

Pain or pressure in the chest that does not go away

New confusion

Inability to wake or stay awake

Pale, gray, or blue-colored skin, lips, or nail beds, depending on skin tone

Severe abdominal pain


How doctors will care for your child

Doctors may do certain tests to look for inflammation or other signs of disease. These tests might include:

Blood tests

Chest x-ray

Heart ultrasound (echocardiogram)

Abdominal ultrasound

Doctors may provide supportive care for symptoms (medicine and/or fluids to make your child feel better) and may use various medicines to treat inflammation. Most children who become ill with MIS-C will need to be treated in the hospital. Some will need to be treated in the pediatric intensive care unit (ICU).


Parents or caregivers who have concerns about their child’s health, including concerns about COVID-19  or MIS-C,  should call a pediatrician or other healthcare provider immediately. Healthcare providers can follow CDC recommendations to keep children and their parents or caregivers safe if an in-person visit is needed.


What we don’t know about MIS-C

CDC is still learning about MIS-C and how it affects children, so we don’t know why some children have gotten sick with MIS-C and others have not. We also do not know if children with certain health conditions are more likely to get MIS-C. These are among the many questions CDC is working to try to understand.


All CDC recommendations are based on the best data and science available at the time, and we will update them as we learn more.


How to protect your child from COVID-19

Based on what we know now about MIS-C, the best way you can protect your child is by taking everyday actions to prevent your child and the entire household from getting the virus that causes COVID-19.



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