Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 3 months ago

Bismihi ta'ala

The discharge a woman experiences is tahir, even if it is due to lustful thoughts, as long as it was not an orgasm. 

She does not need to do ghusl, or anything else. 

And Allah knows best.