A patient with bladder cancer on chemotherapy drugs, who is also a known case of CKD, developed tumor lysis syndrome and having very high level of serum uric acid. Which of the following drugs can provide fastest reduction of uric acid level?

A 28-year-old female with first trimester pregnancy comes to you in hospital with high level of T3 and T4.
Which of the following drug is most appropriate to use?

Which of the following agent is drug of choice in Legionnaires disease?

Which of the following drug requires monitoring of bladder function with the increasing dose?