昂丹司琼一天吃几次？昂丹司琼什么时候吃效果好？

Ondansetron is used for nausea and vomiting caused by cytotoxic drug chemotherapy and radiation therapy; to prevent and treat nausea and vomiting after surgery. Ondansetron is an antiemetic, and its effect is very good. Many patients will ask: How many times a day should it be taken? When is the best time to take ondansetron? Today we will learn more about this drug.

The dosages of different drugs are also different, as follows:

1. For vomiting caused by chemotherapy drugs that are not very emetic: intravenously inject 8 mg of ondansetron injection 15 minutes before chemotherapy, and then take 8 mg of ondansetron tablets orally every eight to twelve hours for five consecutive days.

2. For vomiting caused by highly emetic chemotherapy drugs: Inject 8 mg of ondansetron injection intravenously 15 minutes before chemotherapy, 4 hours, and 8 hours after chemotherapy. After stopping chemotherapy, take 8 mg ondansetron tablets (2 tablets) orally every 8 to 12 hours for 5 consecutive days.

3. For vomiting caused by radiotherapy: the first dose of ondansetron must be taken orally as an 8 mg tablet (2 tablets) 1 to 2 hours before radiotherapy, and then 8 mg orally every 8 hours. The course of treatment depends on the course of radiotherapy.

4. To prevent nausea and vomiting after surgery: Take ondansetron tablets 8 mg (2 tablets) orally 1 hour before anesthesia, and then take ondansetron 8 mg tablets (2 tablets) twice every 8 hours.

The main component of ondansetron hydrochloride is ondansetron hydrochloride. In fact, ondansetron is a powerful and highly selective 5-HT3 receptor antagonist with strong antiemetic effects. Chemotherapy drugs and radiation therapy can cause the release of 5-HT in the small intestine, which activates the afferent branch of the vagus nerve through 5-HT3 receptors and triggers the gag reflex. The drug ondansetron blocks the triggering of this reflex. The stimulation of the afferent branch of the vagus nerve can also cause the release of 5-HT in the Postrema area at the bottom of the fourth ventricle, thereby strengthening it through the central mechanism. It can be seen that the effect of ondansetron tablets is still good.

If a patient needs ondansetron and does not want to go abroad, he can obtain the drug through domestic professional medical institutions. Because the exchange rate is different, the price is also different. The patient can learn more about the price information in detail with the medical companion and passenger service staff. Although ondansetron has been included in medical insurance, the financial burden is still relatively heavy, so cost-effective drugs are more popular among patients.

It should be noted that patients are particularly prone to vomiting from soups and greasy foods. Do not drink soup when eating. Drinking drinks and eating greasy food are particularly likely to cause vomiting. Avoid eating too much oil or irritating food, such as spicy food. If you have any discomfort, please communicate with your doctor promptly.

Note: The above information comes from the Internet and is compiled and edited by Medical Companion Travel (please correct me if there are any errors or omissions). It is only to provide information on the latest drugs on the market in the world and help Chinese patients understand the latest international new drug trends. It is only for internal discussion among medical staff and does not serve as any basis for medication. For specific medication guidelines, please consult the attending physician.

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