Abu ul-Ala Shirazi (died 1001) lived around the 10th century at the court of the Buyid emir 'Adud al-Dawla. He found that arsenic could cure malaria.

References

• Mahmoudian, Masoud; Rahimi-Moghaddam Parvaneh (November 2008). "The life and work of Abu ul-Ala Shirazi (d. 1001): a Persian pioneer in the treatment of malaria, in the style of Rhazes (865-925)". Journal of Medical Biography. 16 (4). England: 186–7. doi: 10.1258/jmb.2007.007054. ISSN  0967-7720. PMID  18952984. S2CID  29266993.