This antibiotic, fidaxomicin, is used to treat Clostridioides difficile infections. It works by stopping bacterial RNA from being made. You can get fidaxomicin in 200 mg tablets.
People usually take 200 mg of this stuff, twice a day, for 10 days. Each bottle has 20 pills of fidaxomicin. The tablets are made to make it easy to take the right amount every time for the infection.