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(galantamine hydrobromide) Extended-Release Capsules
RAZADYNE® ER and RAZADYNE® (galantamine hydrobromide) is galantamine hydrobromide, a reversible, competitive acetylcholinesterase inhibitor. Galantamine hydrobromide is known chemically as (4aS,6R,8aS)-4a,5,9,10,11,12-hexahydro-3-methoxy-11methyl-6H-benzofuro[3a,3,2-ef]benzazepin-6-ol hydrobromide. It has an empirical formula of C17H21NO3 •HBr and a molecular weight of 368.27. Galantamine hydrobromide is a white to almost white powder and is sparingly soluble in water. The structural formula for galantamine hydrobromide is:
RAZADYNE® ER is available in opaque hard gelatin extended-release capsules of 8 mg (white), 16 mg (pink), and 24 mg (caramel) containing galantamine hydrobromide, equivalent to respectively 8, 16 and 24 mg galantamine base. Inactive ingredients include gelatin, diethyl phthalate, ethylcellulose, hypromellose, polyethylene glycol, titanium dioxide and sugar spheres (sucrose and starch). The 16 mg capsule also contains red ferric oxide. The 24 mg capsule also contains red ferric oxide and yellow ferric oxide.
RAZADYNE® for oral use is available in circular biconvex film-coated immediate release tablets of 4 mg (off-white), 8 mg (pink), and 12 mg (orange-brown). Each 4, 8, and 12 mg (base equivalent) tablet contains 5.126, 10.253, and 15.379 mg of galantamine hydrobromide, respectively. Inactive ingredients include colloidal silicon dioxide, crospovidone, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, propylene glycol, talc, and titanium dioxide. The 4 mg tablets contain yellow ferric oxide. The 8 mg tablets contain red ferric oxide. The 12 mg tablets contain red ferric oxide and FD&C yellow #6 aluminum lake.
RAZADYNE® is also available as a 4 mg/mL oral solution. The inactive ingredients for this solution are methyl parahydroxybenzoate, propyl parahydroxybenzoate, sodium saccharin, sodium hydroxide and purified water.
What are the possible side effects of galantamine (Razadyne, Razadyne ER)?
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.
Stop using galantamine and call your doctor at once if you have a serious side effect such as:
- chest pain, slow heart rate;
- feeling like you might pass out;
- blood in your urine or stool;
- coughing up blood or vomit that looks like coffee grounds;
- painful or difficult urination;
- urinating less than usual or not at all;
- weakness, confusion, decreased...
What are the precautions when taking galantamine hbr er (Razadyne ER)?
Before taking galantamine, tell your doctor or pharmacist if you are allergic to it; or to daffodil plants; 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.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: severe liver disease, severe kidney disease.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver problems, kidney problems, stomach/intestinal problems (e.g., ulcers, bleeding), heart problems (e.g., sick sinus syndrome, bradycardia, AV block, arrhythmias), breathing/lung problems (e.g.,...
Last reviewed on RxList: 8/6/2013
This monograph has been modified to include the generic and brand name in many instances.
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