Many practitioners recommend self-ruqyah as a powerful act of worship. You can find guides and common recitations in the following formats: ruqyah in the qur'ān & sunnah - Ummah Welfare Trust
Sit in a quiet place and recite the core verses (Al-Fatihah, Ayatul Kursi, and the last three Surahs of the Quran). Ruqyah Shariah Pdf Free Download UPD
Only seek a cure to get closer to Allah. Do not seek validation or "powers." Many practitioners recommend self-ruqyah as a powerful act