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Generic Name: ondansetron

It is used to treat nausea and vomiting caused by chemotherapy
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What is this medicine?

ONDANSETRON (on DAN se tron) is used to treat nausea and vomiting caused by chemotherapy. It is also used to prevent or treat nausea and vomiting after surgery.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • heart disease
  • history of irregular heartbeat
  • liver disease
  • low levels of magnesium or potassium in the blood
  • an unusual or allergic reaction to ondansetron, granisetron, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on your prescription label. Take your doses at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:

-apomorphine
This medicine may also interact with the following medications:

-carbamazepine
-phenytoin
-rifampicin
-tramadol

What should I watch for while using this medicine?

Check with your doctor or health care professional right away if you have any sign of an allergic reaction.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips or tongue
  • breathing problems
  • dizziness
  • fast or irregular heartbeat
  • feeling faint or lightheaded, falls
  • fever and chills
  • swelling of the hands or feet
  • tightness in the chest

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • constipation or diarrhea
  • headache

Where should I keep my medicine?

Keep out of the reach of children.

Store between 2 and 30 degrees C (36 and 86 degrees F). Throw away any unused medicine after the expiration date.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.


All visitors to AARP.org should seek expert medical care and consult their own physicians for any specific health issues. Read this disclaimer in its entirety.
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Note: This information is not intended to cover all possible uses, precautions, interactions, or adverse effects for this drug. If you have question about the drug(s) you are taking, check with your health care professional.
 
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