For non-emergency assistance after hours, call our exchange at (314) 364-5277.
At Mercy, we offer comprehensive services to diagnose and treat a full range of conditions, including:
ADHD is a neurological disorder that makes it hard for children to control their behavior. Learn about what causes pediatric ADHD as well as the signs & symptoms to look for.
Learn MoreMercy's ENT specialists provide comprehensive services for pediatric ear infections. Learn about diagnostic & treatment options for children & adolescents.
Learn MoreMercy's pediatricians provide comprehensive care for child skin conditions, including eczema. Learn about the treatment & management of pediatric atopic dermatitis.
Learn MoreMercy's pediatricians are trained to diagnose & treat urinary conditions in children, including incontinence. Learn about the treatment options for your child.
Learn MoreMercy's pediatric urologists & nephrologists diagnose & treat kidney stones in children Learn about the causes, symptoms treatment options available for your child.
Learn MoreMercy's pediatricians & nutritionists offer coordinated care & services for childhood obesity. Learn about the causes, treatment & prevention for overweight children.
Learn MoreMercy's pediatricians provide expert primary care for your child at every stage of development. Learn about our comprehensive pediatrics & children's services.
Learn MoreAt Mercy, we offer comprehensive testing services to diagnose conditions and injuries, including:
Mercy doctors keep your child healthy so they don't miss a minute of their favorite sport. Sports physicals are available to all school-age athletes (ages 10-18), contact your participating Mercy provider for an appointment.
Learn MoreAt Mercy, we offer compassionate care for a variety of treatment services, including:
COVID-19 Vaccine pediatric appointments are now available to anyone age 5-11 in AR, MO & OK. Learn how to schedule a Mercy COVID-19 Vaccine pediatric appointment near you.
Learn MoreMercy offers comprehensive immunization & vaccination services, including influenza vaccines. Learn about where, when & why you should get a flu shot.
Learn MoreVaccinations protect your child against illness from serious diseases, such as the flu, measles & polio. Learn about the childhood immunization services at Mercy.
Learn MoreMercy Pediatrics offers well child care for infants to teens. Learn how well-child visits can help your child stay healthy & active.
Learn MorePediatric COVID-19 Vaccine appointments are now available for existing patients at Mercy Clinic Pediatrics - O'Fallon. To schedule an appointment, please call 636-978-7902 (existing patients only).