Zofran overdose how much

Ondansetron belongs to a class of drugs called antiemetics. A class of drugs is a group of medications that work in a similar way.

These drugs are often used to treat similar conditions. Antiemetics are drugs that reduce nausea and vomiting. Ondansetron works by blocking the release of the chemical serotonin in the gut and the central nervous system. This keeps serotonin from causing nausea and vomiting. Ondansetron orally disintegrating tablet may cause drowsiness.

It can also cause other side effects. If these effects are mild, they may go away within a few days or a couple of weeks. Call your doctor right away if you have serious side effects.

Serious side effects and their symptoms can include the following:. Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this information includes all possible side effects.

This information is not a substitute for medical advice. Always discuss possible side effects with a healthcare professional who knows your medical history. Ondansetron orally disintegrating tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well. To help avoid interactions, your doctor should manage all of your medications carefully. Do not take these drugs with ondansetron.

Doing so can cause dangerous effects in your body. Examples of these drugs include:. Taking ondansetron with certain medications raises your risk of side effects from ondansetron. This is because the amount of ondansetron in your body may be increased.

Taking these drugs with ondansetron can make ondansetron less effective. This is because the amount of ondansetron in your body may be decreased.

However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions. Always speak with your healthcare professional about possible interactions with all prescription drugs, vitamins, herbs and supplements, and over-the-counter drugs that you are taking. Taking it again could be fatal cause death. For people with risk factors for heart arrhythmias: If you have conditions such as heart failure or congenital long QT syndrome, this drug may increase your risk of arrhythmias.

Ask your doctor if you have risk factors for arrhythmias. For people with phenylketonuria: The ondansetron orally disintegrating tablet contains phenylalanine. This amino acid can cause dangerous effects in people with a condition called phenylketonuria. Research in animals has not shown a risk to the fetus. However, animal studies do not always predict the way humans would respond.

This drug should only be used in pregnancy if clearly needed. For women who are breastfeeding: Ondansetron may pass into breast milk and may cause side effects in a child who is breastfed.

Talk to your doctor if you breastfeed your child. You may need to decide whether to stop breastfeeding or stop taking this medication. For seniors: The kidneys of older adults may not work as well as they used to. This can cause your body to process drugs more slowly. As a result, a higher amount of a drug stays in your body for a longer time.

This raises your risk of side effects. Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose. Overdose symptoms may include sudden loss of vision, severe constipation, feeling light-headed, or fainting. Ondansetron is sometimes used off-label to prevent nausea and vomiting due to pregnancy or the stomach flu.

Some early research has suggested the medicine may also play a role in helping the following conditions:. Health Topics. Health Tools. Ondansetron Zofran. Reviewed: November 16, You should not use ondansetron if: you are also using apomorphine Apokyn ; or you are allergic to ondansetron or similar medicines dolasetron, granisetron, palonosetron.

To make sure ondansetron is safe for you, tell your doctor if you have: liver disease; an electrolyte imbalance such as low levels of potassium or magnesium in your blood ; congestive heart failure, slow heartbeats; a personal or family history of long QT syndrome; or a blockage in your digestive tract stomach or intestines.

Side Effects. Side Effects What are the side effects of Ondansetron Zofran? Call your doctor at once if you have: severe constipation, stomach pain, or bloating; headache with chest pain and severe dizziness, fainting, fast or pounding heartbeats; fast or pounding heartbeats; jaundice yellowing of the skin or eyes ; blurred vision or temporary vision loss lasting from only a few minutes to several hours ; high levels of serotonin in the body --agitation, hallucinations, fever, fast heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of coordination, fainting.

Common side effects may include: diarrhea or constipation; headache; drowsiness; or tired feeling. Based on FDA pregnancy categories. Interactions What drugs and food should I avoid while taking Ondansetron Zofran? Ondansetron can be taken with or without food.

Take the ondansetron regular tablet with a full glass of water. Enable Autosuggest. You have successfully created a MyAccess Profile for alertsuccessName. Previous Chapter. Next Chapter. Goralka J. Goralka, Joanne M. Chapter In: Olson KR. Olson K. Kent R.

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Anxiety, headache, drowsiness, fatigue, fever, and dizziness. Rare reports consistent with, but not diagnostic of, extrapyramidal reactions. Oculogyric crisis, appearing either alone or with other dystonic reactions. Diarrhea and constipation. Rare cases of grand mal seizure. Subscribe: Institutional or Individual. Username Error: Please enter User Name. Password Error: Please enter Password.