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Kytril is generally considered safe to be used temporarily during pregnancy. In clinical studies on Kytril and pregnancy, the medicine did not cause any problems when it was given in high doses to pregnant rats. Since animals do not always respond to drugs the same way that humans do, however, make sure to notify your healthcare provider if you are taking Kytril and pregnancy occurs.
Kytril® (granisetron hydrochloride) is a prescription nausea and vomiting medication. It is approved to be used temporarily or intermittently to prevent nausea and vomiting due to radiation or chemotherapy. While Kytril appears to be safe for temporary or short-term use in pregnancy, it should not be used long-term. It is not approved to treat morning sickness.
The U.S. Food and Drug Administration (FDA) uses a pregnancy category system to classify the possible risks to a fetus when a specific medicine is taken during pregnancy. Pregnancy Category B is given to medicines that have not been studied in pregnant humans but do not appear to cause harm to the fetus in animal studies.
Kytril has been studied at high doses in pregnant rats without causing any problems. However, it is important to note that animals do not always respond to medicines the same way that humans do. Therefore, a pregnancy Category B medicine should be given to a pregnant woman only if the healthcare provider believes that the benefits to the pregnant woman outweigh any possible risks to the unborn child.
Kytril should not be used to treat nausea and vomiting associated with morning sickness. Kytril has not been studied for long-term use. It is not known if the drug has any long-term side effects, and it is not known if it is safe when used in such a manner.