Generic Zofran is used for preventing nausea and vomiting due to cancer chemotherapy or surgery. It may also be used for other conditions.
Other names for this medication:
Also known as: Ondansetron.
Generic Zofran is used for preventing nausea and vomiting due to cancer chemotherapy or surgery. It may also be used for other conditions.
Generic Zofran is a serotonin 5-HT3 receptor blocker. It works by blocking a chemical thought to be a cause of nausea and vomiting in certain situations (e.g., chemotherapy).
Zofran is also known as Ondansetron, Vomiof, Danzetron, Ondaz.
Generic name of Generic Zofran is Ondansetron.
Brand name of Generic Zofran is Zofran.
Take each dose with a full glass of water.
Take Generic Zofran with food or an antacid to lessen stomach discomfort.
If you want to achieve most effective results do not stop taking Generic Zofran suddenly.
If you overdose Generic Zofran and you don't feel good you should visit your doctor or health care provider immediately.
Store at temperature between 2 and 30 degrees C (36 and 86 degrees F) away from moisture and heat. Throw away any unused medicine after the expiration date. Keep out of the reach of children.
The most common side effects associated with Zofran are:
Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.
Do not take Generic Zofran if you are allergic to Generic Zofran components.
Be careful with Generic Zofran if you're pregnant or you plan to have a baby, or you are a nursing mother.
Generic Zofran should be used with extreme caution in children younger than 4 months old. Safety and effectiveness in these children have not been confirmed.
Do not stop taking Generic Zofran suddenly.
There were no statistically significant differences in pain at rest between the groups. However, the pain on coughing (dynamic pain) in Group 1 was significantly less variable, compared with the other two groups (P = 0.012). Opioid consumption and occurrences of nausea, vomiting, and rescue antiemetic were similar in three the groups.
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1. In decerebrated, non-spinalized rabbits, intrathecal administration of either of the selective 5-HT1A-receptor antagonists (S)WAY-100135 or WAY-100635 resulted in dose-dependent enhancement of the reflex responses of gastrocnemius motoneurones evoked by electrical stimulation of all myelinated afferents of the sural nerve. The approximate ED50 for WAY-100635 was 0.9 nmol and that for (S)WAY-100135 13 nmol. Intrathecal doses of the antagonists which caused maximal facilitation of reflexes in non-spinalized rabbits had no effect in spinalized preparations. 2. In non-spinalized animals, intravenous administration of (S)WAY-100135 was significantly less effective in enhancing reflexes than when it was given by the intrathecal route. 3. When given intrathecally, the selective 5-HT 2A/2C-receptor antagonist, ICI 170,809, produced a bellshaped dose-effect curve, augmenting reflexes at low doses (< or = 44 nmol), but reducing them at higher doses (982 nmol). Idazoxan, the selective alpha 2-adrenoceptor antagonist, was less effective in enhancing reflex responses when given intrathecally after ICI 170,809 compared to when it was given alone. Intravenous ICI 170,809 resulted only in enhancement of reflexes and the facilitatory effects of subsequent intrathecal administration of idazoxan were not compromised. 4. The selective 5-HT3-receptor blocker ondansetron faciliated gastrocnemius medialis reflex responses in a dose-related manner when given by either intrathecal or intravenous routes. This drug was slightly more potent when given i.v. and it did not alter the efficacy of subsequent intrathecal administration of idazoxan. 5. None of the antagonists had any consistent effects on arterial blood pressure or heart rate. 6. These data are consistent with the idea that, in the decrebrated rabbit, 5-HT released from descending axons has multiple roles in controlling transmission through the sural-gastrocnemius medialis reflex pathway. Thus, it appears 5-HT tonically inhibits transmission between sural nerve afferents and gastrocnemius motoneurones by an action at spinal 5-HT1A-receptors. Spinal 5-HT2A/2C-receptors may mediate a weak inhibition of transmission in the spinal cord, but more convincing evidence was obtained for their involvement in descending facilitatory tone. Further, some of the facilitatory consequences of spinal alpha 2-adrenoceptor blockade may be mediated through 5-HT2 type receptors. Spinal 5-HT3 receptors do not appear to have a major role in tonic modulation of the sural-gastrocnemius medialis reflex.
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Twenty-one patients participated on each study. There were no significant clinical differences between these two studied populations. Complete CINV control occurred from days 2 to 5 in 23.1% (95% CI: 8 to 47%) on study 1 vs 61.9% (95% CI: 38 to 81%) of the patients on study 2. By logistic regression, complete CINV control was correlated significantly with antiemetic treatment group (p=0.011) even when we considered only patients who achieved complete CINV control during the first 24 h (p=0.031).
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175 women aged 18 to 80 years scheduled for elective surgery.
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Thirty children of physical class 1, age 9 +/- 4 years, scheduled for strabismus surgery, were randomized into two groups (ondansetron and metoclopramide).
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We studied the effect of alpha-2 adrenoceptor antagonists on colonic function stimulated by water-avoidance stress, 5-hydroxytryptamine (5-HT), bethanechol and castor oil by comparison with the effects of atropine and a 5-hydroxytryptamine 3 (5-HT3) receptor antagonist, ondansetron. Yohimbine, idazoxan and atropine, but not ondansetron, significantly inhibited water-avoidance stress-stimulated faecal excretion. Yohimbine and idazoxan inhibited neither 5-HT- nor bethanechol-stimulated faecal excretion. In contrast, atropine inhibited both 5-HT- and bethanechol-stimulated faecal excretion and ondansetron inhibited 5-HT-stimulated faecal excretion. Yohimbine did not inhibit the incidence of diarrhoea induced by castor oil, but idazoxan significantly inhibited diarrhoea observed during a 1-h period after the administration of castor oil. Both atropine and ondansetron inhibited diarrhoea during a 2-h period after the administration of castor oil. These findings suggest that alpha-2 adrenoceptor antagonists specifically inhibit colonic motor function stimulated by stress in rats.
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Intragastric administration of rikkunshito stimulates gastrointestinal contractions in the interdigestive state through cholinergic neurons and 5-HT type 3 receptors. Moreover, rikkunshito increases plasma acylated ghrelin levels. Rikkunshito may alleviate gastrointestinal disorders through its prokinetic effects.
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Outcomes associated with use of oral granisetron and intravenous ondansetron were equivalent in this patient population. Guideline revision and outcome documentation by the oncology pharmacists resulted in increased compliance with institution guidelines and a 40% cost savings.
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In cats, the administration of ondansetron (0.22 mg kg(-1)) ameliorates and reduced the severity of dexmedetomidine-induced nausea and vomiting only when it was administered in association with this drug.
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Intragastric Dai-Kenchu-To induced phasic contractions in the antrum, duodenum, and jejunum. Zanthoxylum fruit elicited phasic contractions mainly in the duodenum and jejunum, whereas dried ginger rhizome induced phasic contractions in the antrum. Ginseng root had no effect. Phasic contractions induced by intragastric Dai-Kenchu-To were inhibited by atropine and hexamethonium at all sites, although ondansetron inhibited these contractions in the antrum and duodenum.
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This study is primarily designed to test the efficacy of prophylactic anti-emetic therapy with ondansetron, but is the first attempt to formally examine new methods of administering IV NAC in paracetamol overdose. We anticipate, from volunteer studies, that nausea and vomiting will be less frequent with the new NAC regimen. In addition as anaphylactoid response appears related to plasma concentrations of both NAC and paracetamol anaphylactoid reactions should be less likely. This study is not powered to assess the relative efficacy of the two NAC regimens, however it will give useful information to power future studies. As the first formal randomised clinical trial in this patient group in over 30 years this study will also provide information to support further studies in patients in paracetamol overdose, particularly, when linked with modern novel biomarkers of liver damage, patients at different toxicity risk.
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Ondansetron may have antitic effects in patients with Tourette's disorder. Large-scale, double-blind studies should further assess the antitic efficacy of ondansetron.
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Postoperative nausea and vomiting (PONV) is still common, especially among female patients. Our hypothesis is that coinduction with clonidine reduces the incidence of PONV in adult patients undergoing breast cancer surgery.
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A retrospective case-control study of patients with CD who received MTX at the Children's Hospital of Eastern Ontario between 2001 and 2009 was conducted.
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Fourteen randomized placebo-controlled trials (1,045 subjects) were identified and analyzed. By using conventional meta-analyses, the authors determined that ondansetron was associated with reduction in the incidence of hypotension (relative risk = 0.62 [95% CI, 0.46 to 0.83], P = 0.001; TSA-adjusted CI, 0.34 to 1.12; I = 60%, P = 0.002) and bradycardia (relative risk = 0.44 [95% CI, 0.26 to 0.73], P = 0.001; TSA-adjusted CI, 0.05 to 3.85; I = 0%, P = 0.84). However, the authors found indications of bias among these trials. TSAs demonstrated that the meta-analysis lacked adequate information size and did not achieve statistical significance when adjusted for sparse data and repetitive testing. The Grading of Recommendations on Assessment, Development, and Evaluation system showed that the results had low to very low quality of evidence.
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The left fifth lumbar nerve of rats was tightly ligated with silk sutures under pentobarbital anesthesia. The hindpaw withdrawal threshold was measured by application of von Frey filaments. Thiopental sodium was intravenously administered in mice and sleeping time was measured. In L5-SNL rats, an isobolographic analysis was performed to clarify the combined antiallodynic effect of Neurotropin and pregabalin 14 days after ligation in rats. In isobolographic analysis and thiopental-induced sleep test, Neurotropin and pregabalin were orally administered to coincide with the timing of the peak effect of each drug.
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One of the most common complications of operation and anesthesia is shivering. The purpose of this study was to compare the effectiveness of Ondanseton and Meperedine in preventing shivering after off-pump coronary artery bypass graft (OPCAB). In this double-blind randomized clinical trial, the sample consisted of 90 patients, who were candidates of CABG under general anesthesia. These patients were assigned to three groups, each containing 30 subjects: meperedine group (A), ondansetron group (B) and control group (C). Group (A) received 0.4 mg/Kg/IV of meperedine, group (B) received 8mg/IV of ondansetron and group (C) received Normal Saline. All these drugs were injected 15 minutes before the end of surgery. After the end of surgery, the intubated patients were transferred to the ICU and their body temperature was assessed through eardrum by a specialist who was blind to the research. The incidence of shivering in groups A, B, and C was 46.48%, 31.18%, and 60.83%, respectively (P=<0.01). The incidence of shivering was 64.4% in males and 35.6% in females (P=0.222). Also, the amount of incidence of shivering up to 3 hours after surgery was 75.87 % (P=0.064). Bradycardia was 3.3% in group (A) and 0.0 % in group (B). Other variables (myoclonus, seizure and rash) showed no statistically significant difference (P=0.353). According to the findings, it was demonstrated that ondansetron is more effective in preventing shivering after Off-pump CABG than meperedine.
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Patients who are discharged following surgery on an oral opioid, and who have taken the drug for 2 or more weeks often experience withdrawal symptoms when they try to discontinue the drug.
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The implications of chemotherapeutic drug-drug interactions can be serious and thus need to be addressed. This review concerns the potential interactions of the antiemetic aprepitant, a neurokinin-1 receptor antagonist indicated for use (in Europe) in highly emetogenic chemotherapy and moderately emetogenic chemotherapy (MEC) in combination with a 5-hydroxytryptamine-3 (5-HT3) receptor antagonist and corticosteroids and (in the United States) in combination with other antiemetic agents, for the prevention of acute and delayed nausea and vomiting associated with initial and repeat courses of highly emetogenic cancer chemotherapy including high-dose cisplatin. When considering use of aprepitant for prevention of chemotherapy-induced nausea and vomiting, its potential drug-drug interaction profile as a moderate inhibitor of cytochrome P-450 isoenzyme 3A4 (CYP3A4) has been a source of concern for some physicians and other health care professionals. We explore in this paper how real those concerns are. Our conclusion is that either no interaction or no clinically relevant interaction exists with chemotherapeutic agents (intravenous cyclophosphamide, docetaxel, intravenous vinorelbine) or 5-HT3 antagonists (granisetron, ondansetron, palonosetron). For relevant interactions, appropriate measures, such as corticosteroid dose modifications and extended International Normalized Ratio monitoring of patients on warfarin therapy, can be taken to effectively manage them. Therefore, the concern of negative interactions remains largely theoretical but needs to be verified with new agents extensively metabolized through the 3A4 pathway.
Particle size, entrapment efficiency, mucoadhesive strength, and in vitro drug release of optimized formulation was found to be 760.11 ± 1.02 μm, 75.09 ± 2.40%, 95.14 ± 0.27% and 87.45 ± 1.21%, respectively. The data was fitted to different kinetic models to illustrate its anomalous (non-Fickian) diffusion.
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Whereas nausea and emesis are burdensome side effects that lead to poor treatment compliance especially in chemotherapy, it is difficult to predict the emetic potential of agents in rats and mice because rodents do not vomit. We examined the effect of emetics on gastric retention and role of serotonin (5-hydroxytryptamine, 5-HT)
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All 40 patients developed vomiting; 21 (52%) developed severe vomiting and seven (17%) required home IV therapy (grade 4). Eight patients (40%) receiving the metoclopramide regimen developed severe vomiting, compared to 13 (65%) in the ondansetron group (P = .50). Two patients (10%) in the metoclopramide group developed grade 4 vomiting, compared to five (25%) in the ondansetron group (P = .45). Except for sedation and amnesia, there were no significant side effects associated with either regimen.
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The involvement of opioid receptor activation in the antinociceptive effect of either fluvoxamine, a selective serotonin reuptake inhibitor, or serotonin (5-HT) on thermal hyperalgesia and mechanical allodynia in a model of neuropathic pain in mice induced by sciatic nerve ligation was examined. The experiments were conducted 2 or 6 weeks after unilateral sciatic nerve ligation. Ipsilateral thermal hyperalgesia and mechanical allodynia were observed both 2 and 6 weeks after sciatic nerve ligation. Neither s.c. fluvoxamine nor i.t. 5-HT affected sciatic nerve ligation-induced thermal hyperalgesia or mechanical allodynia in mice 2 weeks after sciatic nerve ligation. However, the same dose of either fluvoxamine or 5-HT significantly reduced mechanical allodynia but not thermal hyperalgesia in sciatic nerve ligated mice 6 weeks after surgery. The antinociceptive effect of fluvoxamine on sciatic nerve ligation-induced mechanical allodynia in mice 6 weeks after surgery was completely abolished by pretreatment with either naloxone, a nonselective opioid receptor antagonist, or beta-funaltrexamine, a selective mu-opioid receptor antagonist. Furthermore, pretreatment with naltrindole, a selective delta-opioid receptor antagonist, partially but significantly inhibited the antinociceptive effect of fluvoxamine in sciatic nerve ligated mice at the 6th postoperative week. The antinociceptive effect induced by i.t. 5-HT was also completely antagonized by either naloxone or beta-funaltrexamine, and partially inhibited by naltrindole. However, pretreatment with nor-binaltorphimine, a selective kappa-opioid receptor antagonist, had no effect against either s.c. fluvoxamine- or i.t. 5-HT-induced antinociception. These results suggest that the antinociceptive effect of s.c. fluvoxamine or i.t. 5-HT in the chronic state of sciatic nerve ligation-induced neuropathic pain may be related to opioidergic activity, mainly through the activation of spinal mu- and delta-opioid receptors.
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Both atropine and atropine methyl nitrate induced tachygastria, bradygastria and arrhythmia. No difference was noted in the effects between atropine and atropine methyl nitrate. L-NNA increased the dominant frequency of small-intestinal slow waves but had no effect on gastric slow waves. Guanethidine, ondansetron and naloxone did not affect the dominant frequency, power or percentage of normal gastrointestinal slow waves.
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Irritable bowel syndrome (IBS) is a prevalent functional gastrointestinal disorder, which represents a major cost to healthcare services. Current pharmacological treatment includes fibre supplements, antispasmodics, laxatives, loperamide and antidepressants. This article reviews the novel pharmacological treatments already or recently approved for patients with IBS-C (lubiprostone, linaclotide) and IBS-D (alosetron, ramosetron, rifaximin, eluxadoline). Furthermore, results for drugs in development (plecanatide, ibudutant and ebastine) or used in chronic constipation or for other indications, with potential application in IBS (prucalopride, elobixibat, mesalazine, ondansetron and colesevelam) are also reviewed.
All patients received prophylactic treatment to mitigate against immediate PONV. Fifty-six patients received aprepitant in addition to ondansetron as prophylaxis for PONV.
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In this double-blinded randomized clinical trial, 83 patients (age range, 18-60 years) who had shivering after general anesthesia were randomly allocated to any of these three groups: Group A, (number = 27) received 4 mg of intravenous ondansetron, Group B, (number = 27) received 8 mg of intravenous ondansetron, and Group C, (number = 29) received 0.4 mg/kg of intravenous meperidine at recovery room. The surface temperatures and the incidence as well as intensity of shivering were recorded.
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The study was a controlled, randomized, double blind clinical trial, which was conducted in the first 6 months of 2014 in emergency department Al-Zahra and Kashani Hospitals in Isfahan, Iran. The patients with minor head trauma associated with nausea and vomiting were randomly divided into 2 groups: treatment with metoclopramide (10mg/2ml, slow injection) and treatment with ondansetron (4mg/2ml, slow injection). The comparison between the 2 groups was done regarding antiemetic efficacy and side effects using SPSS 21 statistical software.
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We studied 39, ASA I-II patients undergoing elective transsphenoidal endoscopic hypophyseal adenoma excision procedure. After preoperative examination and informed consent of the patient, monitorisation with non invasive blood pressure measurement, electrocardiography, pulse oxymeter and Bispectral Index (BIS) was performed. 0.9% NaCl infusion was started via a 20 G route. Lidocaine (1%) was given as 1.5 mg.kg(-1) hour-1 infusion after 1.5 mg.kg(-1) bolus dosage given in 10 minutes. Lidocaine infusion was started at the same time with anesthesia induction and was stopped after surgery. 0.9% NaCl was given as bolus dosage and as infusion in control group. Induction was maintained via propofol (1%) with 10 mg (1 ml) doses given in 5 seconds and it was applied in every 15 seconds until BIS < 45'. During maintenance of anesthesia desflurane-remifentanil-oxygen (50%)-air (50%) mixture was used. Desflurane was titrated by BIS measurement between 40 and 5012. Remifentanil infusion was started after propofol induction with 0.1 µg.kg(-1).min(-1) dosage and it was titrated between 0.1-0.5 µg.kg(-1).min(-1) levels. For intubation, rocuronium with 0.8 mg kg(-1) dosage was given during induction. After the surgical procedure, it was antagonised with neostigmine and atropine. For postoperative analgesia 1 g paracetamole was given IV after the surgery within 15 minutes and it was reapplied with 1 gr doses in every 6 hours. After extubation, the pain of the patients was examined at 15. minute at the recovery room with VRS (VRS; 0-no pain, 1-slight pain, 2-moderate pain, 3-severe pain). If VRS was greater than 2, 50 mg dolantine was given IM. For prevention of nausea and vomitting, 8 mg ondansetron was given IV. Perioperative total doses of remifentanil, desflurane (ml) (anesthesia machine records) and lidocaine (mg) were recorded after the surgery. Perioperative hemodynamic parameters (systolic, diastolic, mean blood pressures, heart rates) were recorded after monitorisation (basal), after intubation, after the start of the surgery and after extubation.
Nausea and vomiting are frequently seen in patients undergoing cesarean section (CS) under regional anesthesia. We aimed to compare the antiemetic efficacy of ondansetron and dexamethasone combination with that of the use of each agent alone to decrease the incidence of post-delivery intraoperative nausea and vomiting (IONV) during CS under spinal anesthesia.
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