Treatment for chronic pain on right side -

1.May be she is hysterical or she must be having colon problem or uterine or kidney problem  or ovarian cyst etc .If all this is negative then it is psychological.

2.Start with a homoeopathic remedy called as mag phos 30 give  5pills to her daily once bed time for 1 month .

3.Tell her to do deep breathing exercises and relax .Special importance can be given to YOG pranayam.