Okay, let's take the headaches for an example.
If her headaches have increased in intensity or in frequency, it can indicate a herx - especially if it coincides with the start of, or an increase in any medications or detoxing. It's not a matter of whether it puts her in bed - is there an increase?
The more the increase in severity or frequency, the "harder" she's herxing and the more she will need to gain control of the symptoms - or more aptly, the toxins. Detoxing is the only way I know to decrease the amount of toxins - but detoxing alone can make those with a high toxin load herx, so you have to move very slowly with everything.
The same thing with nausea, if there is an increase, then it indicated a herx if it coincides with the start of, or increase of meds or detoxing. It's not a matter of if she is violently throwing up, just if her nausea is increased - even if it just goes on for a few more hours than usual.
I got the impression that she was herxing, so move carefully. And let me know if I can be of more help!! I'll keep explaining until you both can understand what it is that I'm trying to communicate!! Hang in there with me!!
And feel free to email me directly any time you or she wishes.