Ya ba

Ya ba
Yaba tablets
Legal status
Legal status
  • US: Schedule II

Ya ba (Thai: ยาบ้า, Lao: ຢາບ້າ, lit.'mad drug') is a drug containing a mixture of methamphetamine and caffeine. It was formerly known as ya ma (Thai: ยาม้า; lit.'horse drug'). Although it is illegal, it has considerable use in Southeast Asia.