If you feel like your child may be at risk for hurting themselves or someone they love, please let someone know. Most counties in the U.S. have a phone number you can call if you are in crisis and the person on the other line will help you figure out what to do.
In Pittsburgh, Allegheny County, that number is 1.888.796.8226
If you live somewhere else, you can call the National Suicide Prevention Lifeline at 1.800.273.8255 and they will connect you with your local crisis center.
Otherwise you can call 911.
Other resources include:
Crisischat.org is an online crisis resource from the National Suicide Prevention Lifeline.