Precautions

Drug information provided by: Merative, Micromedex®

Check with your doctor if severe nausea and vomiting continue after leaving the hospital.

This medicine can cause changes in heart rhythms, such as conditions called QT, PR, and QRS prolongation. It may change the way your heart beats and cause fainting or serious side effects in some patients. Contact your doctor right away if you have any symptoms of heart rhythm problems, such as fast, pounding, or irregular heartbeats.

Dolasetron may cause a serious condition called serotonin syndrome if taken together with some medicines, such as fentanyl (Abstral®, Duragesic®), lithium (Eskalith®, Lithobid®), a MAO inhibitor (such as methylene blue injection, Eldepryl®, Marplan®, Nardil®, Parnate®), medicines to treat migraine headaches, or medicine to treat depression (eg, fluoxetine, mirtazapine, paroxetine, Celexa®, Effexor®, Lexapro®, Paxil®, Zoloft®). Check with your doctor first before taking any other medicines with dolasetron.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.