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.
Is Zofran Safe For Pregnant Women? New Study Saysâ¦. A new study published in the New England Journal of Medicine concluded that the popular drug Zofran (used to treat nausea, vomiting and in some cases, hyperemesis gravidarum, in early pregnancy) poses no risk to the developing fetus.