question: My doctor prescribed me 10 mg. hydrocodeine after having dental surgery. After taking one of them, it didnt help my pain at all and I looked at the number on the pill and it had M357 on it.  Is this a 10 mg or not. My pharmacy is a training pharmacy for Texas Tech and Im wondering if one of the students might have given me the wrong medication, by accident.  I am sorry to take your time, but I didnt know I would be charged for this answer.     Thank You,      Nan Carrasco