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Donepezil Hyrochloride

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Overview

What is Donepezil Hyrochloride?

Donepezil hydrochloride, USP is a reversible inhibitor of the enzyme acetylcholinesterase, known chemically as (±)-2, 3-dihydro-5, 6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1-inden-1-one hydrochloride. Donepezil hydrochloride is commonly referred to in the pharmacological literature as E2020. It has an empirical formula of CHNOHCl and a molecular weight of 415.96. Donepezil hydrochloride is a white crystalline powder and is freely soluble in chloroform, soluble in water and in glacial acetic acid, slightly soluble in ethanol and in acetonitrile, and practically insoluble in ethyl acetate and in n-hexane

Donepezil hydrochloride, USP is available for oral administration in film-coated tablets containing 5 or 10 mg of donepezil hydrochloride, USP.

Inactive ingredients in 5 mg and 10 mg tablets are lactose monohydrate, corn starch, microcrystalline cellulose, and magnesium stearate. The film coating contains talc, polyethylene glycol, polyvinyl alcohol, and titanium dioxide. Additionally, the 10 mg tablet contains yellow iron oxide as a coloring agent.



What does Donepezil Hyrochloride look like?



What are the available doses of Donepezil Hyrochloride?

Donepezil hydrochloride tablets, USP are supplied as film-coated, round tablets containing either 5 mg or 10 mg of donepezil hydrochloride USP.

• The 5 mg tablets are white, round, biconvex film coated debossed with “” on one side and “14” on other side.• The 10 mg tablets are pale yellow, round, biconvex film coated debossed with “ ” on one side and “15” on other side

What should I talk to my health care provider before I take Donepezil Hyrochloride?

Pregnancy: Based on animal data, donepezil hydrochloride may cause fetal harm (8.1)

How should I use Donepezil Hyrochloride?

Donepezil hydrochloride tablets are indicated for the treatment of dementia of the Alzheimer’s type. Efficacy has been demonstrated in patients with mild, moderate, and severe Alzheimer’s disease.


What interacts with Donepezil Hyrochloride?

Sorry No Records found


What are the warnings of Donepezil Hyrochloride?

Sorry No Records found


What are the precautions of Donepezil Hyrochloride?

Sorry No Records found


What are the side effects of Donepezil Hyrochloride?

Sorry No records found


What should I look out for while using Donepezil Hyrochloride?

Donepezil hydrochloride is contraindicated in patients with known hypersensitivity to donepezil hydrochloride or to piperidine derivatives.


What might happen if I take too much Donepezil Hyrochloride?

Because strategies for the management of overdose are continually evolving, it is advisable to contact a Poison Control Center to determine the latest recommendations for the management of an overdose of any drug.

As in any case of overdose, general supportive measures should be utilized. Overdosage with cholinesterase inhibitors can result in cholinergic crisis characterized by severe nausea, vomiting, salivation, sweating, bradycardia, hypotension, respiratory depression, collapse, and convulsions. Increasing muscle weakness is a possibility and may result in death if respiratory muscles are involved. Tertiary anticholinergics such as atropine may be used as an antidote for donepezil hydrochloride overdosage. Intravenous atropine sulfate titrated to effect is recommended: an initial dose of 1 to 2 mg IV with subsequent doses based upon clinical response. Atypical responses in blood pressure and heart rate have been reported with other cholinomimetics when co-administered with quaternary anticholinergics such as glycopyrrolate. It is not known whether donepezil hydrochloride and/or its metabolites can be removed by dialysis (hemodialysis, peritoneal dialysis, or hemofiltration).

Dose-related signs of toxicity in animals included reduced spontaneous movement, prone position, staggering gait, lacrimation, clonic convulsions, depressed respiration, salivation, miosis, tremors, fasciculation, and lower body surface temperature.


How should I store and handle Donepezil Hyrochloride?

StorageStore Pantoprazole Sodium Delayed-Release Tablets, USP at 20° to 25°C (68° to 77°F); excursions permitted to 15° to 30°C (59° to 86°F) [ ]. StorageStore Pantoprazole Sodium Delayed-Release Tablets, USP at 20° to 25°C (68° to 77°F); excursions permitted to 15° to 30°C (59° to 86°F) [ ].


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Clinical Information

Chemical Structure

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Clinical Pharmacology

Current theories on the pathogenesis of the cognitive signs and symptoms of Alzheimer’s disease attribute some of them to a deficiency of cholinergic neurotransmission.

Donepezil hydrochloride is postulated to exert its therapeutic effect by enhancing cholinergic function. This is accomplished by increasing the concentration of acetylcholine through reversible inhibition of its hydrolysis by acetylcholinesterase. There is no evidence that donepezil alters the course of the underlying dementing process.

Non-Clinical Toxicology
Donepezil hydrochloride is contraindicated in patients with known hypersensitivity to donepezil hydrochloride or to piperidine derivatives.

Other sympathomimetic aerosol bronchodilators or epinephrine should not be used concomitantly with albuterol.

Albuterol should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors or tricyclic antidepressants, since the action of albuterol on the vascular system may be potentiated.

Beta-receptor blocking agents and albuterol inhibit the effect of each other.

The following serious adverse reactions are described below and elsewhere in the labeling:

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Reference

This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"

While we update our database periodically, we cannot guarantee it is always updated to the latest version.

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Professional

Clonazepam Description Each single-scored tablet, for oral administration, contains 0.5 mg, 1 mg, or 2 mg Clonazepam, USP, a benzodiazepine. Each tablet also contains corn starch, lactose monohydrate, magnesium stearate, microcrystalline cellulose, and povidone. Clonazepam tablets USP 0.5 mg contain Yellow D&C No. 10 Aluminum Lake. Clonazepam tablets USP 1 mg contain Yellow D&C No. 10 Aluminum Lake, as well as FD&C Blue No. 1 Aluminum Lake. Chemically, Clonazepam, USP is 5-(o-chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one. It is a light yellow crystalline powder. It has the following structural formula: C15H10ClN3O3 M.W. 315.72
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Tips

Tips

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Interactions

Interactions

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