I think your friend should be examined by a gynaecologist.There are multiple reasons to get white discharge with itching.

Hello, She is likely to have a vaginal infection. Ask her to visit a gynecologist for further evaluation and follow the medications as prescribed. You can also visit my clinic International Fertility Centre located in New Delhi for further evaluation. My clinic offers varied gynecological treatments and services and ensures that you have a successful treatment. You can share your contact details to reach you.

It is vaginal infection  due to unprotected sex.

Ask your friends to visit a gynac near by.. She needs evaluation

this needs to be examined locally and then we can opine. pl consult ..

Dear Practo user, The problem requires local examination by Gynaecologist. Further management will depend on examination findings.