seldom respond to medical treatment.
If the symptoms are severe,please consult a vascular surgeon and proceed with surgery.
Now a days,Laser
techniques have come which decreases the stay in the hospital.
But,the surgeon will decide whether lasers can be tried .
I did varicose veins surgery for both lower limbs
in a single sitting to many patients with excellent results.
Ask her to keep her legs flat.You can try an elastic crepe bandage temporarily.
Wish her good health