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Razadyne ER

Razadyne ER


Galantamine is used to treat mild to moderate confusion (dementia) related to Alzheimer's disease. It does not cure Alzheimer's disease, but it may improve memory, awareness, and the ability to perform daily functions. This medication works by restoring the balance of certain natural substances (neurotransmitters) in the brain.

How to use Razadyne ER

      • Take this medication by mouth with food, usually once daily in the morning with breakfast or as directed by your doctor. This medication may be taken on an empty stomach if necessary. Drink plenty of fluids with this medication unless instructed otherwise. To lower your risk of side effects, your dosage will be gradually increased to your target dose. Your dosage is based on your medical condition and response to therapy. Do not take more than the maximum recommended dose of 24 milligrams per day.
      • Swallow the capsules whole. Do not crush or chew the capsules. Doing so can destroy the long action of the drug and may increase side effects.
      • If you stop taking galantamine for several days, consult your doctor or pharmacist before restarting it. Your dosage should be reduced to lower the risk of side effects. Your dosage should then be increased gradually. Follow all your doctor's dosing instructions exactly.
      • Use this medication regularly in order to get the most benefit from it. Do not stop taking it or increase the dosage unless your doctor instructs you to do so.
      • It may take at least 4 weeks of continued use before the full benefit of this drug takes effect.

Side Effects

      • Nausea, vomiting, diarrhea, dizziness, drowsiness, loss of appetite, and weight loss may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
      • Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
      • Tell your doctor right away if you have any serious side effects, including: fainting, unusually slow heartbeat, difficult urination.
      • Get medical help right away if you have any very serious side effects, including: seizures, black/bloody stools, vomit that looks bloody or like coffee grounds, severe stomach/abdominal pain, irregular heartbeat.
      • A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
      • This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.


      • 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., severe asthma, COPD-chronic obstructive pulmonary disease), seizures, problems urinating (e.g., due to enlarged prostate).
      • This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
      • Before having surgery, tell your doctor or dentist that you are taking this medication.
      • This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.
      • It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.


      • Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.
      • Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: anticholinergic drugs (e.g., atropine, diphenhydramine, scopolamine, tolterodine), aspirin (high doses used for arthritis), cholinergic drugs (e.g., bethanechol), cholinesterase inhibitors (e.g., neostigmine), long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs such as ibuprofen, naproxen), drugs affecting liver enzymes that remove galantamine from your body (such as azole antifungals including ketoconazole, amitriptyline, SSRI antidepressants including paroxetine, quinidine).
      • Also report the use of heart drugs (those that decrease heart rate or block AV impulse conduction) such as: beta-blockers (e.g., metoprolol, propranolol), calcium channel blockers (e.g., diltiazem, verapamil), digoxin.
      • Check all prescription and nonprescription medicine labels carefully since many medications contain pain relievers/fever reducers (NSAIDs such as aspirin, ibuprofen, or naproxen) which, if taken together with galantamine, may increase your risk for stomach/intestinal bleeding. Low-dose aspirin, as prescribed by your doctor for specific medical reasons such as heart attack or stroke prevention (usually at dosages of 81-325 milligrams per day), should be continued. Consult your doctor or pharmacist for more details.
      • This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.


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