DONEPEZIL - ORAL

DONEPEZIL - ORAL

PHONETIC PRONUNCIATION: (doh-NEP-eh-zil)

COMMON BRAND NAME(S): Aricept

GENERIC NAME(S): donepezil HCl

Uses

USES: Donepezil is used to treat confusion (dementia) related to Alzheimer's disease. It does not cure Alzheimer's disease, but it may improve memory, awareness, and the ability to function. This medication is an enzyme blocker that works by restoring the balance of natural substances (neurotransmitters) in the brain.


How to use DONEPEZIL - ORAL

HOW TO USE: Read the Patient Information Leaflet if available from your pharmacist before you start taking donepezil and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually once daily just before bedtime. If you experience sleep problems (insomnia), talk to your doctor about switching to a morning dose. If you are taking the 23-milligram strength tablets, swallow them whole. Do not split, crush, or chew these tablets. Doing so can increase the risk of side effects. Dosage is based on your medical condition and response to treatment. To reduce your risk of side effects (such as nausea and diarrhea), your doctor will start this medication at a low dose and gradually increase your dose over weeks to months. Follow your doctor's instructions carefully. Do not increase your dose or use this drug more often than prescribed. If you do not take donepezil for 7 or more days in row, talk with your doctor before starting again. You may need to start at a lower dose to decrease the risk of side effects. Use this medication regularly in order to get the most benefit from it. To help you remember, take it at the same time each day. Do not stop taking it unless your doctor instructs you to do so. It may take a several weeks before you get the full benefit of this drug. Tell your doctor if your condition worsens.

Side Effects

SIDE EFFECTS: Nausea, vomiting, diarrhea, loss of appetite/weight loss, dizziness, drowsiness, weakness, trouble sleeping, shakiness (tremor), or muscle cramps may occur as your body adjusts to the drug. These effects usually last 1-3 weeks and then lessen. If any of these effects persist or worsen, notify 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 any of these serious side effects occur: trouble urinating, severe stomach/abdominal pain, black stools, vomit that looks like coffee grounds, seizures. Get medical help right away if you have any very serious side effects, including: slow/fast/irregular heartbeat, severe dizziness, fainting. 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. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Precautions

PRECAUTIONS: Before taking donepezil, tell your doctor or pharmacist if you are allergic to it; 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: breathing problems (such as asthma, chronic obstructive pulmonary disease), fainting, seizures, stomach/intestinal disease (such as ulcers, bleeding), trouble urinating (such as enlarged prostate). This drug may make you dizzy or drowsy. Alcohol or marijuana can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana. Donepezil may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can rarely cause serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away. The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may cause QT prolongation. Before using donepezil, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions: certain heart problems (heart failure, slow heartbeat, QT prolongation in the EKG), family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death). Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation. This risk may increase if you use certain drugs (such as diuretics/"water pills") or if you have conditions such as severe sweating, diarrhea, or vomiting. Talk to your doctor about using donepezil safely. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Older adults may be more sensitive to the side effects of this drug, especially QT prolongation (see above). During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.

Interactions

DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. Some products that may interact with this drug include: aspirin/non-steroidal anti-inflammatory drugs (NSAIDs, such as ibuprofen, naproxen). Check all prescription and nonprescription medicine labels carefully since many medications contain pain relievers/fever reducers (NSAIDs such as aspirin, ibuprofen, or naproxen) that if taken together with donepezil 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.

Overdose

OVERDOSE: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include severe or persistent nausea/vomiting, excessive sweating, very slow heartbeat, slow or shallow breathing, seizures.

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Faq for DONEPEZIL - ORAL

Donepezil is an oral medication that is used to treat symptoms of Alzheimer's disease. It works by increasing the levels of a certain substance in the brain that is involved in memory, thinking, and reasoning.

Donepezil should be taken exactly as prescribed by your doctor. Usually, it is taken once a day in the evening before bedtime. You may take it with or without food, but try to take it at the same time each day.

Common side effects of Donepezil may include nausea, vomiting, diarrhea, loss of appetite, muscle cramps, fatigue, insomnia, and abnormal dreams. These side effects are usually mild and go away on their own. If they persist or become severe, it is recommended to speak with your doctor.

Donepezil may take several weeks to show its full effects, so it is important to continue taking the medication as prescribed even if you do not see immediate improvement. It is also important to note that Donepezil does not cure Alzheimer's disease, but it may help improve cognitive function and slow down the progression of symptoms in some patients.

It is generally not recommended to consume alcohol while taking Donepezil, as it may increase the risk of side effects such as dizziness and drowsiness. It is best to consult with your doctor about specific recommendations regarding alcohol consumption.

Donepezil may interact with certain medications, so it is important to inform your doctor about all the medications you are currently taking. This includes prescription drugs, over-the-counter medications, and herbal supplements. Your doctor can determine if any interactions may occur and make appropriate adjustments to your treatment plan if necessary.

Donepezil is typically prescribed for mild to moderate stages of Alzheimer's disease. It may be less effective in the later stages of the disease when cognitive function has significantly declined. Your doctor will assess your condition and determine if Donepezil is the appropriate treatment option for you.

If you miss a dose of Donepezil, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for the missed one.

Donepezil is not generally recommended for use in children or adolescents, as its safety and effectiveness have not been adequately studied in this population. It is primarily approved for use in adults with Alzheimer's disease.



Disclaimer

IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.