My wife is having vomiting sensations in the morning .Many a times she had vomited .She does not have fever . She is not pregnant .All tests for Typhoid , Malaria ,Johndies , have come negative .Used Zofer 4mg for last 2 days to suppress the vomiting .It seems she does not get vomiting if she takes zofer ,when stopped she gets vomiting sensation the next day .Is Zofer safe ,can it be used for long ...