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(dolasetron mesylate) Tablets
ANZEMET (dolasetron mesylate) is an antinauseant and antiemetic agent. Chemically, dolasetron mesylate is (2α,6α,8α,9aβ)-octahydro-3-oxo-2,6-methano-2H-quinolizin-8-yl-1Hindole-3-carboxylate monomethanesulfonate, monohydrate. It is a highly specific and selective serotonin subtype 3 (5-HT3) receptor antagonist both in vitro and in vivo. Dolasetron mesylate has the following structural formula:
The empirical formula is C19H20N2O3 • CH3SO3H • H2O, with a molecular weight of 438.50. Approximately 74% of dolasetron mesylate monohydrate is dolasetron base.
Dolasetron mesylate monohydrate is a white to off-white powder that is freely soluble in water and propylene glycol, slightly soluble in ethanol, and slightly soluble in normal saline.
Each ANZEMET Tablet for oral administration contains dolasetron mesylate (as the monohydrate) and also contains the inactive ingredients: carnauba wax, croscarmellose sodium, hypromellose, lactose, magnesium stearate, polyethylene glycol, polysorbate 80, pregelatinized starch, synthetic red iron oxide, titanium dioxide, and white wax. The tablets are printed with black ink, which contains lecithin, pharmaceutical glaze, propylene glycol, and synthetic black iron oxide.
What are the possible side effects of dolasetron (Anzemet)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty 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;
- swelling in your hands or feet;
- 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:
What are the precautions when taking dolasetron (Anzemet Tablets)?
Before taking dolasetron, tell your doctor or pharmacist if you are allergic to it; or to other 5-HT3 blockers (e.g., granisetron, ondansetron); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (e.g., irregular heartbeat), stomach/intestinal problems (e.g., recent surgery, ileus, swelling), kidney disease.
Dolasetron may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting)...
Last reviewed on RxList: 9/27/2013
This monograph has been modified to include the generic and brand name in many instances.
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