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Myocarditis is inflammation of the heart muscle. It might happen after an infection, such as COVID-19, strep throat, or tuberculosis. It may also be caused by a reaction to a medicine or toxin. Some autoimmune diseases cause it too. Rarely, it occurs in older teens after they get certain COVID-19 vaccines.
Treatment depends on how severe the illness is. If your child is having other heart problems, the doctor will treat them at the same time. Your child may need medicine for their heart. Lifestyle changes, such as getting more rest, may be part of the treatment.
Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if your child is having problems. It's also a good idea to know your child's test results and keep a list of the medicines your child takes.
Call 911 anytime you think your child may need emergency care. For example, call if:
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your child's health, and be sure to contact your doctor or nurse advice line if:
Current as of: November 2, 2022
Author: Healthwise Staff
Medical Review:John Pope MD - Pediatrics & George Philippides MD - Cardiology & Donald Sproule MDCM, CCFP - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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