welcome to healthcare magic
first of all .. relax and don't worry
As she is showing these symptoms while on medication, her medication should be reviewed once as these signs are not normal while taking medication....
So, you should consult your psychiatrist
for adjustment of the dosage
Once she start taking adequate dosages, she will not experience such symptoms
I will be pleased to have more information regarding the current dosage schedule of your mom so that i can answer your query in a better way