Medicine Buddha Sutra 药师经

《梵文药师经》
Tadyatha om
Bekandze Bekandze
Maha Bekandze
Randze Samugate Soha

Explanation:

Tadyatha - It like this
Om - symbolizes medicine guru's body/speech/mind
Bekandze Bekandze - O Doctor, Doctor
Maha Bekandze - great Doctor
Bekandze Randze - king of Doctors
Samugate - perfection or enlightenment
Soha - please help me

Recite this sutra 21 times