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What is Ondansetron used for?

Ondansetron is used to prevent nausea and vomiting caused by surgery, or by chemotherapy or radiation treatment for cancer. This medication blocks the actions of chemicals that can trigger nausea and vomiting in the body. This medicine may also be used to treat other conditions as determined by your doctor.

What are the side effects of Ondansetron?

Like other medicines, Ondansetron can cause some side effects. If they do occur, the side effects of Ondansetron are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

It is pertinent to note that side effects of Ondansetron cannot be anticipated. If any side effects of Ondansetron develop or change in intensity, the doctor should be informed as soon as possible.

Ondansetron can cause side effects such as tiredness, dizziness, weakness, diarrhea, constipation, headache, and fever. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Ondansetron.

What is the recommended dosage of Ondansetron?

The dosage of Ondansetron prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

Ondansetron can be taken with or without food.

What if you miss a dose of Ondansetron?

If your physician has instructed or directed you to take Ondansetron medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Ondansetron?

Any medication taken in excess can have serious consequences. If you suspect an overdose of Ondansetron, seek medical attention immediately.

What other drugs could interact with Ondansetron?

It may be noted that drugs other than those listed above may also interact with Ondansetron.

Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Ondansetron, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

What are the questions to ask your doctor before taking Ondansetron?

Is it possible for me to take Ondansetron with other drugs?
Should certain beverages, foods and other products be avoided when I take Ondansetron?
What are the possible drug interactions of Ondansetron?
How will Ondansetron work in my body?
How should Ondansetron be taken?
How to reduce the risk of Ondansetron drug interactions and side effects?

Where can I buy Ondansetron over the counter?

Ondansetron over the counter is not available as it is a prescription medication. This means you cannot get medicine Ondansetron over the counter.

Can I buy Ondansetron without a prescription?

You must have a prescription for Ondansetron or Ondansetron alternative from a licensed healthcare professional. Many Medicare and insurance plans do not cover this moderately priced drug, although manufacturer and pharmacy coupons can help cover the cost. Along with getting Ondansetron over the counter from pharmacies, you can also get the Ondansetron alternatives.


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