The longer half-lived iodine-125 is also occasionally used when a longer half-life radioiodine is needed for diagnosis, and in brachytherapy treatment (isotope confined in small seed-like metal capsules), where the low-energy gamma radiation without a beta component, makes iodine-125 useful.
Split and merge into it. Answered by The Community. Making the world better, one answer at a time. Macrodantin is all macrocrystalline nitrofurantoin while Macrobid is a combination of the macrocrystalline nitrofurantoin as well as the nitrofurantoin monohydrate form (25% and 75% respectively).
DESCRIPTION: Nitrofurantoin is an antibacterial agent specific for urinary tract infections. The Macrobid Â® brand of nitrofurantoin is a hard gelatin capsule shell containing the equivalent of 100 mg of nitrofurantoin in the form of 25 mg of nitrofurantoin macrocrystals and 75 mg of nitrofurantoin monohydrate.. brand of. nitrofurantoin is a hard gelatin capsule shell containing the equivalent of 100 mg of nitrofurantoin in the. form of 25 mg of nitrofurantoin macrocrystals and 75 mg of nitrofurantoin monohydrate.