Are you really sensitive to light when you get these headaches? I ask because light sensitivity is one of the symptoms of a classic "migraine".
If you don't have light sensitivity...it sounds like yours might be a tension headache...in that case
somas or other muscle relaxing type stuff should help.
If you do have the classic migraine, there are some great migraine specific meds available.
Is there any chance that the headaches are connected to the percoset? I know it sounds crazy but...I discovered that dilauded (a pain killer) were at least partially causing my headaches. Just something to consider -- it was really hard for me to accept that a medicine that should have helped with my headaches was actually making them worse. I would get a headache and then start taking more pills, my headache would get worse and worse until I couldn't even think and my eyes were watering.
I have a 5 year old and know how hard it is to take care of children when you have a killer headache.
Let us know!
YM