Here they always advise calling the poison control center because they unlike doctors and psychiatrists have many people answering the phones that do not have to see clients in between trying to locate information for a parent on the drug accidentally taken and treatment options and so on and poison control is immediate help and and will send an ambulance and so on if that is needed. They are specifically trained for drug overdoses and they stay right on the phone while they are looking up the medication in the physicians Desk Reference and consulting with their staff physicians and psychiatirst they keep on call for such situations.

the number is always located on the inside cover of any USA telephone book the same place you find 911 the number is-

1-800-222-1222