July 30, 2016
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Anzemet Injection

"Nov. 29, 2012 (Chicago) -- For cancer patients undergoing chemotherapy who have found their complaints of general mental fogginess and haziness dismissed by their doctors as not being a real medical condition, vindication has arrived.



Anzemet Injection

Anzemet Injection Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Anzemet Injection (dolasetron mesylate) is an antinauseant and antiemetic used to prevent nausea and vomiting associated with cancer chemotherapy, and to prevent and treat postoperative nausea and/or vomiting. Common side effects of Anzemet Injection include:

  • headache
  • diarrhea
  • fever
  • fatigue
  • abdominal or stomach pain
  • dizziness
  • drowsiness
  • chills
  • shivering
  • numbness or tingly feeling
  • constipation
  • anxiety, or
  • joint or muscle pain.

The recommended intravenous adult dosage of Anzemet Injection is 12.5 mg given as a single dose approximately 15 minutes before the cessation of anesthesia (prevention) or as soon as nausea or vomiting presents (treatment). Pediatric dose is determined by the child's weight. Anzemet Injection may interact with diuretics, anti-arrhythmics, or anthracycline. Tell your doctor all medications and supplements you use. During pregnancy, Anzemet Injection should be used only if prescribed. It is unknown if Anzemet is excreted in human milk. Consult your doctor before breastfeeding.

Our Anzemet Injection (dolasetron mesylate) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information in Detail?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Anzemet Injection in Detail - Patient Information: Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Tell your caregivers at once if you have a serious side effect such as:

  • feeling like you might pass out;
  • slow heart rate, weak pulse, slow breathing;
  • headache with chest pain and severe dizziness, fainting, fast or pounding heartbeats; or
  • urinating less than usual or not at all.

Less serious side effects may include:

  • drowsiness, mild dizziness;
  • pain;
  • chills, shivering, numbness or tingly feeling;
  • stomach pain, constipation;
  • anxiety, mild headache; or
  • joint or muscle pain.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Anzemet Injection (Dolasetron Mesylate Injection)

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Anzemet Injection FDA Prescribing Information: Side Effects
(Adverse Reactions)


Chemotherapy Patients

In controlled clinical trials, 2265 adult patients received ANZEMET Injection (dolasetron mesylate injection) . The overall adverse event rates were similar with 1.8 mg/kg ANZEMET Injection (dolasetron mesylate injection) and ondansetron or granisetron. Patients were receiving concurrent chemotherapy, predominantly high-dose (≥ 50 mg/m2) cisplatin. Following is a combined listing of all adverse events reported in ≥ 2% of patients in these controlled trials (Table 4).


Event ANZEMET Injection (dolasetron mesylate injection)
1.8 mg/kg
Headache 169 (24.3%) 73 (20.5%)
Diarrhea 86 (12.4%) 25 (7.0%)
Fever 30 (4.3%) 18 (5.1%)
Fatigue 25 (3.6%) 12 (3.4%)
Hepatic Function Abnorma 25 (3.6%) 12 (3.4%)
Abdominal Pain 22 (3.2%) 7 (2.0%)
Hypertension 20 (2.9%) 9 (2.5%)
Pain 17 (2.4%) 7 (2.0%)
Dizziness 15 (2.2%) 7 (2.0%)
Chills/Shivering 14 (2.0%) 6 (1.7%)
*: Ondansetron 32 mg intravenous, granisetron 3 mg intravenous.
† : Includes events coded as SGOT- and/or SGPT-increased (see also Liver and Biliary System below)

Postoperative Patients

In controlled clinical trials with 2550 adult patients, headache and dizziness were reported more frequently with 12.5 mg ANZEMET Injection (dolasetron mesylate injection) than with placebo. Rates of other adverse events were similar. Following is a listing of all adverse events reported in ≥ 2% of patients receiving either placebo or 12.5 mg ANZEMET Injection (dolasetron mesylate injection) for the prevention or treatment of postoperative nausea and vomiting in controlled clinical trials (Table 5).

Table 5. Adverse Events ≥ 2% from Placebo-Controlled Postoperative Nausea and Vomiting Studies

Event ANZEMET Injection (dolasetron mesylate injection)
12.5 mg
Headache 58 (9.4%) 51 (6.9%)
Dizziness 34 (5.5%) 23 (3.1%)
Drowsiness 15 (2.4%) 18 (2.4%)
Pain 15 (2.4%) 21 (2.8%)
Urinary Retention 12 (2.0%) 16 (2.2%)

In clinical trials, the following infrequently reported adverse events, assessed by investigators as treatment-related or causality unknown, occurred following oral or intravenous administration of ANZEMET to adult patients receiving concomitant cancer chemotherapy or surgery:

Cardiovascular: Hypotension; rarely - edema, peripheral edema. The following events also occurred rarely and with a similar frequency as placebo and/or active comparator: Mobitz I AV block, chest pain, orthostatic hypotension, myocardial ischemia, syncope, severe bradycardia, and palpitations. See PRECAUTIONS section for information on potential effects on ECG.

In addition, the following asymptomatic treatment-emergent ECG changes were seen at rates less than or equal to those for active or placebo controls: bradycardia, tachycardia, T wave change, ST-T wave change, sinus arrhythmia, extrasystole (APCs or VPCs), poor R-wave progression, bundle branch block (left and right), nodal arrhythmia, U wave change, atrial flutter/fibrillation.

Furthermore, severe hypotension, bradycardia and syncope have been reported immediately or closely following IV administration.

Dermatologic: Rash, increased sweating.

Gastrointestinal System: Constipation, dyspepsia, abdominal pain, anorexia; rarely - pancreatitis.

Hearing, Taste and Vision: Taste perversion, abnormal vision; rarely - tinnitus, photophobia.

Hematologic: Rarely - hematuria, epistaxis, prothrombin time prolonged, PTT increased, anemia, purpura/hematoma, thrombocytopenia.

Hypersensitivity: Rarely - anaphylactic reaction, facial edema, urticaria.

Liver and Biliary System: Transient increases in AST (SGOT) and/or ALT (SGPT) values have been reported as adverse events in less than 1% of adult patients receiving ANZEMET in clinical trials. The increases did not appear to be related to dose or duration of therapy and were not associated with symptomatic hepatic disease. Similar increases were seen with patients receiving active comparator. Rarely - hyperbilirubinemia, increased GGT.

Metabolic and Nutritional: Rarely - alkaline phosphatase increased.

Musculoskeletal: Rarely - myalgia, arthralgia.

Nervous System: Flushing, vertigo, paraesthesia, tremor; rarely - ataxia, twitching. Psychiatric: Agitation, sleep disorder, depersonalization; rarely - confusion, anxiety, abnormal dreaming.

Respiratory System: Rarely - dyspnea, bronchospasm.

Urinary System: Rarely - dysuria, polyuria, acute renal failure.

Vascular (Extracardiac): Local pain or burning on IV administration; rarely - peripheral ischemia, thrombophlebitis/phlebitis.

Postmarketing Experience:

There are rare reports of wide complex tachycardia or ventricular tachycardia and of ventricular fibrillation cardiac arrest following intravenous administration.

Read the entire FDA prescribing information for Anzemet Injection (Dolasetron Mesylate Injection)

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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