I was taking it zofran lawsuit success and am finally feeling over the morning sickness phase. Like the previous poster, it made me so constipated. So definitely use something to counter act that. And I was one of the unfortunate people that was plagued by the allergic reaction of itching...ugh. But it was worth not puking all the time.
My doc prescribed the ones that dissolve on your tongue, so it made it easier than having to swallow it when I was feeling super bad. Be prepared for some bad headaches though as well....thats one of the more common side effects. So once you get that relief, I would try and http://reference.medscape.com/drug/zofran-zuplenz-ondansetron-342052 take some tylenol.
Good luck and best wishes!!!