Thank you for inquiry, The information presented by you is limited. It is very important to find out what was the indication of your friend s Oophorectomy (ovary removal surgery). There are several cases may demand bilateral ovarian surgery such as: prophylactic surgery in whom are at high risk for breast and ovarian cancers, prophylactic ovary removal to diminish risk of cancer, together with a hysterectomy and endometriosis suffering from enormous and large ovarian cysts. Given that Oophorectomy performed based on instruction presented by you, personally I think the signs and symptoms are presumably due to surgical menopause which showing lack of ovarian hormones. Weight loss in three weeks is mostly because of malnutrition and vomiting. The point is that the doctors demand to look at the results of pathology after ovarian surgery to approach a better plan for patient’s treatment. According to my experience and data given by you, I suggest as follows: 1.     Ask her doctor for low dosage hormonal therapy including various forms of estrogen, progesterone or combination. 2.     Emergency care is demanded if you find these signs and symptoms: bleeding, severe pain or tenderness and swelling in abdomen, severe fever, dark or malodourous vaginal discharge. 3.     After appropriate health care, or in case of seriously abnormal pathology results, patient may need an immediate Sonography, CT scan, X-ray and routine tests. Hope you find my advice helpful, Regards