FAQ

How much zofran can i take

Adults—One 8-milligram (mg) film three times a day. Children—Use and dose must be determined by your doctor.

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Can I take 2 Zofran?

Zofran should be administered immediately before chemotherapy as a single intravenous dose of 0.15 mg/kg. The single intravenous dose must not exceed 8 mg. Two further intravenous doses may be given in 4-hourly intervals. Oral dosing can commence 12 hours later and may be continued for up to 5 days (Table 2).

How often can I take Zofran 4 mg for nausea?

Zofran dosage for children

Zofran dosage by age
AgeStandard dosageMaximum dosage
< 4 years oldWill receive ondansetron injections rather than Zofran tablets
4-11 years old4 mg first dose given 30 minutes before chemotherapy followed by two 4 mg doses given every four hours4 mg given every eight hours for one or two days

How often can I take Zofran 8 mg?

Typical dosing for Zofran (ondansetron) Chemotherapy that causes moderate nausea and vomiting: 8 mg dose taken 30 minutes before the start of chemotherapy, with another 8 mg dose taken 8 hours after the first dose. Take 8 mg twice a day (every 12 hours) for 1 to 2 days after completing chemotherapy.

Can I take 2 Zofran a day?

Adults typically take one 8-mg tablet or rapidly disintegrating tablet or 10 mL of liquid twice a day. For patients ages 12 and older, the dosage is the same as for adults. For those ages 4 to 11, patients should take a 4-mg tablet or rapidly disintegrating tablet or 5 mL of liquid three times per day.

Can I take 4mg Zofran every 4 hours?

The 4-mg dose is taken again 4 and 8 hours after the first dose. Then, the dose is 4 mg every 8 hours for 1 to 2 days. Children younger than 4 years of age—Use and dose must be determined by your doctor.

Is it possible to overdose on Zofran?

Overdose. An overdose of Zofran can be a serious medical emergency or even fatal, so get emergency medical attention if too much Zofran has been taken. A Zofran overdose will cause symptoms such as temporary vision loss, severe constipation, light-headedness, and fainting.

Can you take Zofran 8mg every 6 hours?

#1 Ondansetron ( Zofran) You may take one 8 mg tablet every 6 hours. If your nausea does not ease by 30 minutes after taking Zofran, take medicine #2, prochlorperazine (Compazine).

How often can you take Zofran 4 mg?

The 4-mg dose is taken again 4 and 8 hours after the first dose. Then, the dose is 4 mg every 8 hours for 1 to 2 days. Children younger than 4 years of age—Use and dose must be determined by your doctor.

Can you take more than one Zofran in 8 hours?

A: Your doctor will tell you how often to take Zofran (ondansetron). Zofran dosage frequency ranges from a one-time dose to repeating doses every 8 to 12 hours. It depends on whether you need it after surgery, chemotherapy or radiotherapy.

How long does Zofran 8 mg last?

A: Zofran (ondansetron) lasts about eight hours. It begins to work quickly and reaches peak concentration in about two hours. To prevent nausea, the dose is usually repeated eight hours after the first one.

How long does ondansetron 8mg take to work?

You can take ondansetron with or without food. Ondansetron should start to work within 30 minutes to an hour. Ondansetron tablets are available in two different forms – tablets or oral disintegrating tablets (also called ODT). Tablets: swallow the tablets with a glass of water.

What happens if I throw up after taking Zofran?

If you vomit within one hour taking your first Zofran Tablet of each course prescribed to you, you should take the same dose again. If you continue to vomit, tell your doctor.

How do I take ondansetron 8mg tablet?

How should I take ondansetron?

  1. Keep the tablet in its blister pack until you are ready to take it. Open the package and peel back the foil. …
  2. Use dry hands to remove the tablet and place it in your mouth.
  3. Do not swallow the tablet whole. …
  4. Swallow several times as the tablet dissolves.

How much ondansetron is fatal?

16 Overdose is rare and no fatal dose has been established. The largest single dose reported was 145 mg (1.5 mg/kg).

Does Zofran make you sleepy?

Zofran may cause headaches, drowsiness, constipation and other mild side effects. In rare cases, the anti-nausea medication can cause erratic heartbeats and high serotonin levels, which may be life-threatening.

Will Zofran help with anxiety nausea?

Zofran is often used to prevent and treat nausea and vomiting during chemotherapy and after surgery. Compazine is also used to treat psychotic disorders such as schizophrenia and anxiety.

Can I take Phenergan and Zofran together?

Using promethazine together with ondansetron can increase the risk of an irregular heart rhythm that may be serious and potentially life-threatening, although it is a relatively rare side effect.

Does Zofran make you sleepy like Phenergan?

Zofran is an antiemetic (anti-nausea and vomiting) and selective 5-HT3 receptor antagonist and Phenergan is an antihistamine. Side effects of Zofran and Phenergan that are similar include dizziness, drowsiness, constipation, and blurred vision.

How fast does Zofran work for nausea?

Ondansetron for nausea and vomiting sickness. Ondansetron is an anti-sickness medicine. It will start to work within 1-2 hours. The most common side-effects are a headache, constipation, and feeling flushed.

What is the strongest anti nausea medication?

One of the most effective anti-nausea medications is Zofran (ondansetron) which was developed to solve this problem. Zofran is available as tablets, dissolvable tablets, strips, or liquid. While it is safe for the general population, it is so effective, that it is also used in patients undergoing chemotherapy.

Will Zofran stop stomach bug?

In conclusion, this RCT found that a long-acting bimodal release oral ondansetron tablet was effective in treating nausea and vomiting from acute gastroenteritis. The drug appeared to work quickly, and benefits from the long acting component extended to 24 hours after tablet administration.

Does Zofran work better on an empty stomach?

Ondansetron can be taken with or without food. However, it works faster on an empty stomach, an hour before food, or 2 hours after meals. The first dose of Ondansetron is usually taken before the start of your surgery, chemotherapy, or radiation treatment.

Can you take Zofran and Pepto together?

Interactions between your drugs No interactions were found between Pepto-Bismol and Zofran.

Is ondansetron the same as Zofran?

Ondansetron is used to prevent nausea and vomiting caused by cancer chemotherapy, radiation therapy and surgery.

How much does Zofran increase QTc?

Results: Among patients included in the data analysis (n = 20), ondansetron administration was associated with a mean QTc increase of 16.2 msec (95% confidence interval, 4.2-28.2 msec; p = 0.01) and a median increase of 12 msec (interquartile range, 5.5-18.0 msec; p < 0.01).

How much does Zofran prolong QT?

Of the 22 patients included in the final analysis, ondansetron administration was associated with an increase in the QT interval by 20 ms (95% CI, 14.0 mg to 26 mg; p<0.0001). A pairwise analysis similarly demonstrated a significant prolongation of the QT interval at 6, 12, and 14 minutes.

What is the antidote for ondansetron?

There is no specific antidote for ondansetron overdose. Patients should be managed with appropriate supportive therapy.

Why was Zofran taken off the market?

FDA Drug Safety Communications & Zofran Recall In 2012, the 32 mg intravenous dose of Zofran was pulled from the market due to concerns that it could trigger QT interval prolongation, a heart rhythm disorder that could lead to an abnormal and potentially fatal heart rhythm called Torsades de Pointes.

What is ondansetron 8mg used for?

Ondansetron is indicated for the management of nausea and vomiting induced by cytotoxic chemotherapy and radiotherapy, and for the prevention and treatment of post-operative nausea and vomiting (PONV).

When should you not take Zofran?

You should not use Zofran if you are allergic to ondansetron or to similar medicines such as dolasetron (Anzemet), granisetron (Kytril), or palonosetron (Aloxi). Zofran orally disintegrating tablets may contain phenylalanine. Tell your doctor if you have phenylketonuria (PKU).

Is promethazine better than Zofran?

Conclusions: Promethazine and ondansetron have similar efficacy in reducing nausea among ED patients. Change in anxiety was similar, but promethazine was associated with greater sedation.

Which is better promethazine or ondansetron?

While improvement in vertigo was better with promethazine treatment, over time, ondansetron was more effective in resolving nausea and vomiting. Ondansetron has shown to have fewer side-effects, but a single dose of promethazine was more effective than ondansetron.

How fast does Phenergan work for nausea?

Phenergan starts acting on the body around 20 minutes after it is ingested. The initial effects include drowsiness and sleepiness. The medicine may work for up to 12 hours. People who take Phenergan for cough and cold find immediate relief within 30 minutes after taking the first dose.

Which is better for nausea Phenergan or Zofran?

Zofran (ondansetron) works well to prevent nausea and vomiting. It’s available in different forms that you don’t have to swallow in case you can’t keep anything down. Helps you feel less queasy. Phenergan (Promethazine) is used to treat and prevent nausea and vomiting from surgery, motion sickness, or pregnancy.

Can you take Zofran and Benadryl together?

Interactions between your drugs No interactions were found between Benadryl and Zofran.

What gets rid of nausea fast?

When trying to control nausea:

  1. Drink clear or ice-cold drinks.
  2. Eat light, bland foods (such as saltine crackers or plain bread).
  3. Avoid fried, greasy, or sweet foods.
  4. Eat slowly and eat smaller, more frequent meals.
  5. Do not mix hot and cold foods.
  6. Drink beverages slowly.
  7. Avoid activity after eating.

Does ginger ale help with nausea?

While ginger root has long been linked to nausea relief, most ginger ale contains very little of it. Thus, ginger ale is unlikely to relieve nausea.

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