For a non-emergency medical question, this app lets you query a bank of more than 40,000 doctors. They’ll answer within 24 hours. For $1, you'll get a response in about 15 minutes. iOS and Android, free.
Search for local docs and dentists who accept your insurance, check ratings, and make an appointment, all on your phone — without being put on hold. iOS and Android, free.
Save the emergency room for real emergencies. For other after-hours needs, talk to your pediatrician in advance and ask her to recommend a local urgent-care facility or look up nearby options with this site.