Scientific Make Up-Composition Of The March Birthstone. Aquamarines vary in color from deep blue to bluish-green, with differing intensities due to the varying quantities of iron in the beryl crystal. Naturally occurring deep blue aquamarine stones are rare, expensive and in high demand.
A Stacy Wiegman, PharmD , Pharmacy, answered. Zofran (ondansetron) acts fairly quickly. For people who are undergoing chemotherapy, it is usually given 30 minutes before starting the chemo so that it is working when chemo starts. To prevent nausea and vomiting after surgery, it is usually given one hour before the operation.
Additionally, Zofran was never approved to treat nausea and vomiting from morning sickness in pregnant women. Despite that fact, in 2012 GlaxoSmithKline pleaded guilty to illegally promoting the use of Zofran to prevent morning sickness (among other charges), and paid a $3 billion fine.