In this task, you will be given sentences in which your task is to recognize the name of the drug or medicine. Drugs are substances that change a person's mental or physical state. They can affect how your brain works, how you feel and behave, your understanding, and your senses. Although there might be several correct answers, you need to write one of them.

Q: Possible mechanisms for damage to the urothelium by ketamine are suggested.

A: ketamine
****
Q: A case of Erythema Multiforme Bullosum in patient of lepromatous leprosy with pulmonary tuberculosis due to Rifampicin is described.

A: Rifampicin
****
Q: Reflex sympathetic dystrophy syndrome in renal transplanted patients under immunosuppression with tacrolimus.

A:
tacrolimus
****