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.
A Danish study has found that Zofran, an anti-nausea drug that's given to pregnant women who suffer from severe morning sickness, does not harm a growing fetus. More from USA Today : One in 10 pregnant women has nausea and vomiting bad enough to need medicine but many forgo it out of fear of side effects.