Dr. Mahmoud Al-Khrasani is a Professor in the Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Budapest, Hungary. He earned his Ph.D. degree from Semmelweis University in 2004. He specializes in central and peripheral mechanisms in analgesia in in vitro and in vivo pharmacology. His research topics mainly include acute, inflammatory, visceral, and neuropathic pain, endogenous, and exogenous opioids, peripheral restricted opioids, and pain control.