What Is Acute Flaccid Myelitis?enparentshttps://kidshealth.org/EN/images/headers/P-asthmaCauseAllergies-enHD-AR1.jpgAcute flaccid myelitis (AFM) is a rare but serious condition that affects the nervous system.acute flaccid myelitis, AFM, floppy, polio, polio-like, viruses, cdc, flacid, enterovirus D68, EV-D68, enteroviruses, enterovirus, entero virus, neurological condition, poliovirus, west nile10/29/201805/06/201905/06/2019Mary L. Gavin, MD10/30/2018bd402575-7059-4452-91d4-16fe3a3848f3https://kidshealth.org/ws/RadyChildrens/en/parents/acute-flaccid-myelitis.html/<h3>What Is Acute Flaccid Myelitis?</h3> <p>Acute flaccid myelitis (AFM) is a rare condition that affects the spinal cord. It comes on suddenly and makes muscles weak and floppy.</p> <h3>What Are the Signs &amp; Symptoms of Acute Flaccid Myelitis?</h3> <p>Acute flaccid myelitis often happens after a respiratory infection, such as a <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/cold.html/">cold</a>.</p> <p>A child with AFM usually has sudden weakness in the arms and legs. Other signs of acute flaccid myelitis&nbsp;include:</p> <ul> <li>drooping eyelids</li> <li>trouble moving the eyes</li> <li>drooping mouth</li> <li>slurred speech</li> <li>trouble swallowing</li> <li>trouble breathing</li> </ul> <p>If you or your child have any of these symptoms, <strong>get medical care right away</strong>.</p> <h3>What Causes Acute Flaccid Myelitis?</h3> <p>Experts think that viruses or toxins in the environment might cause acute flaccid myelitis.</p> <p>AFM is not a new problem, but many people are learning about it now because of the recent outbreaks. Experts don't know what's causing the increase in cases.</p> <p>Acute flaccid myelitis is still very rare (fewer than 1 in 1 million people per year in the United States). It usually affects children.</p> <h3>What Might Help Prevent AFM?</h3> <p>Because viruses might cause AFM, avoid spreading germs by:</p> <ul> <li><a href="https://kidshealth.org/ws/RadyChildrens/en/parents/hand-washing.html/">washing hands</a> well and often</li> <li>keeping <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/vaccine.html/">vaccinations</a> up to date</li> <li>preventing <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/insect-bite.html/">mosquito</a> bites</li> <li>keeping sick children home from school</li> </ul> <p>For updated information about acute flaccid myelitis, visit the <a href="https://www.cdc.gov/acute-flaccid-myelitis/index.html">CDC's AFM page</a>.</p>¿Qué es la mielitis flácida aguda?La mielitis flácida aguda es una afección muy poco frecuente que afecta a la médula espinal. Aparece súbitamente y hace que los músculos se vuelvan débiles y flácidos.https://kidshealth.org/ws/RadyChildrens/es/parents/acute-flaccid-myelitis-esp.html/9cc507f3-d4ed-4517-98b2-713508d07622kh:age-allAgesOrAgeAgnostickh:clinicalDesignation-generalPediatricskh:clinicalDesignation-neurologykh:genre-qAndAkh:primaryClinicalDesignation-neurologyBrain & Nervous Systemhttps://kidshealth.org/ws/RadyChildrens/en/parents/medical/brain/d6b00a11-9db0-403c-bc41-00bcdf022537Medical Conditions Q&Ahttps://kidshealth.org/ws/RadyChildrens/en/parents/question/medical/013379b2-4069-48d3-b104-08e298eaf1b4