Check with your doctor if severe nausea and vomiting continue after leaving the hospital or cancer treatment center.
This medicine can cause changes 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 a 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®), medicine 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 stop taking this medicine without checking first with your doctor. Your doctor may gradually reduce the amount you are using before stopping completely.
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.