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.
â I suffer from chronic migraines with nausea and vomiting unfortunately zofran doesnt seem to work as well for me as another medication i've taken in the past. I will say though, that zofran did work sometimes when my migraine symptoms werent as intense, unfortunately my migraines usually get pretty intense. I also know that just because it doesnt work well for me doesnt mean it wont work great for somebody else.