Warning and Precaution

• Do Not Use If:

  • You are also taking apomorphine (Apokyn).

  • You are allergic to ondansetron or similar medicines, such as:

    • Dolasetron (Anzemet)

    • Granisetron (Kytril)

    • Palonosetron (Aloxi)

• Before Taking Ondansetron, Inform Your Doctor If You Have:

  • Liver disease

  • A personal or family history of Long QT syndrome

  • Phenylketonuria (PKU) (as some orally disintegrating tablets may contain phenylalanine)

• Serious Side Effects (Seek Medical Attention Immediately):

  • Blurred vision or temporary vision loss (lasting from minutes to hours)

  • Slow heart rate

  • Trouble breathing

  • Anxiety, agitation, or shivering

  • Feeling faint or about to pass out

  • Urinating less than usual or not at all

• Additional Caution:

  • Ondansetron may impair thinking or reaction time—use caution when driving or performing tasks that require alertness.