She should make Ruqya and that is to recite suratul Fatiha, Ayatul Kursi, the last 2 verses of Al Baqarah, the last three Surah of the Quran, and ayah 81 in surah 10. She should reciting them in her hands and wipe her body with that, she also can recite them and blow in a glass of zamzam water or any other normal water and then drinking of it and washing her body with it. Reciting suratul Baqarah also gets the devils out of the house.