Zofran (ondansetron): used for the treatment of nausea and vomiting.

Side effects: the most common side effects are headache, diarrhea and dizziness. Notify your doctor or seek emergency medical assistance if these symptoms become severe or you experience other symptoms including: 

• blurred vision or vision loss
• rash
• hives
• itching
• swelling of the eyes, face, lips, tongue, throat, hands, feet, ankles, or lower legs
• hoarseness
• difficulty breathing or swallowing
• chest pain
• shortness of breath
• dizziness, light-headedness, or fainting
• fast, slow or irregular heartbeat
• agitation
• hallucinations (seeing things or hearing voices that do not exist)
• fever
• excessive sweating
• confusion
• nausea, vomiting, or diarrhea
• loss of coordination
• stiff or twitching muscles
• seizures
• coma (loss of consciousness)

(Medline Plus, 2022)

Notify your clinician prior to treatment if you have a history of long QT syndrome as Zofran has been known to prolong the QT interval which can lead to life-threatening dysrhythmias. (Burchum and Rosenthal, 2019)

Notify your clinician if you are currently taking any medications or have any allergies to any medications.

References

Burchum, J.R. and Rosenthal, L.D. (2019). Pharmacology for Nursing Care. (10). Elsevier. 

Medline Plus (2022, January 15). Ondansetron. Ondansetron: MedlinePlus Drug Information