Purpose:
Purpose antiemetic
Product Elements:
Naus-ease meclizine hydrochloride silicon dioxide croscarmellose sodium lactose monohydrate magnesium stearate cellulose, microcrystalline d&c yellow no. 10 aluminum oxide meclizine hydrochloride meclizine tl121
Drug Interactions:
Drug interactions there may be increased cns depression when meclizine hydrochloride, usp is administered concurrently with other cns depressants, including alcohol, tranquilizers and sedatives. (see warnings ) based on in vitro evaluation, meclizine hydrochloride, usp is metabolized by cyp2d6. therefore there is a possibility for a drug interaction between meclizine hydrochloride, usp and cyp2d6 inhibitors.
Indications and Usage:
Indications and usage for consumers (the general public): naus-ease® (meclizine hydrochloride), usp tablets are used for the prevention and treatment of nausea and vomiting, or dizziness associated with motion sickness. for health professionals: based on a review of meclizine hydrochloride, usp drug by the national academy of sciences â national research council and/or other information, fda has classified the indications of meclizine hydrochloride, usp as follows: 1. the prevention and treatment (management) of nausea and vomiting, and dizziness associated with motion sickness. 2. for the treatment of vertigo.
Warnings:
Warnings clinical studies establishing safety and effectiveness in children under 12 years of age have not been done; therefore, usage is not recommended in children under 12 years of age unless directed by a doctor. due to its potential anticholinergic action, do not take unless directed by a doctor if you have a breathing problem such as asthma, emphysema, or chronic bronchitis, glaucoma, or difficulty in urination due to enlargement of the prostate gland. ask a doctor before use if you are taking sedatives or tranquilizers. when using this product: 1. do not exceed the recommended dosage. 2. may cause drowsiness. 3. patients should avoid alcoholic beverages while taking this drug. 4. since drowsiness may, on occasion, occur with use of this drug, patients should be warned of this possibility and cautioned against driving a car or operating dangerous machinery. therefore patients are reminded caution when driving or operating machinery. 5. alcohol, sedatives and tranquilizers may inc
Read more...rease drowsiness. if pregnant or breast-feeding, ask a health professional before use. keep out of reach of children. in case of overdose, seek medical help or contact a poison control center right away. call poison control at 1-800-222-1222
Dosage and Administration:
Dosage and administration (directions) adults and children 12 years of age and over: take 1 to 2 naus-ease® (meclizine hydrochloride), usp tablets (25 mg to 50 mg) by mouth once daily, or as directed by a physician. the initial dose of 25 mg to 50 mg of naus-ease® (meclizine hydrochloride), usp tablets should be taken one hour prior to travel for the prevention and treatment of motion sickness. thereafter, the dose may be repeated every 24 hours for the duration of the journey.
Contraindications:
Contraindications meclizine hydrochloride, usp is contraindicated in individuals who have shown a previous hypersensitivity to it.
Adverse Reactions:
Adverse reactions anaphylactoid reaction, drowsiness, dry mouth, headache, fatigue, vomiting and, on rare occasions, blurred vision have been reported.
Drug Interactions:
Drug interactions there may be increased cns depression when meclizine hydrochloride, usp is administered concurrently with other cns depressants, including alcohol, tranquilizers and sedatives. (see warnings ) based on in vitro evaluation, meclizine hydrochloride, usp is metabolized by cyp2d6. therefore there is a possibility for a drug interaction between meclizine hydrochloride, usp and cyp2d6 inhibitors.
Use in Pregnancy:
Pregnancy use pregnancy category b. reproduction studies in rats have shown cleft palates at 25 to 50 times the human dose. epidemiological studies in pregnant women, however, do not indicate that meclizine hydrochloride, usp increases the risk of abnormalities when administered during pregnancy. despite the animal findings, it would appear that the possibility of fetal harm is remote. nevertheless, meclizine hydrochloride, usp or any other medication, should be used during pregnancy only if clearly necessary, and after speaking with a health professional.
Pediatric Use:
Pediatric use clinical studies establishing safety and effectiveness in children under 12 years of age have not been done; therefore, usage is not recommended in children under 12 years of age unless directed by a doctor.
Description:
Description chemically, meclizine hydrochloride, usp is 1-( p -chloro-α-phenylbenzyl)-4-( m -methylbenzyl) piperazine dihydrochloride monohydrate. meclizine hydrochloride, usp is an oral antiemetic, which is a white to slightly yellowish crystalline powder having a slight odor and is tasteless. the molecular weight is 481.89 g/mol. it has the following structural formula: c 25 h 27 cin 2 ·2hcl·h 2 0 m.w. 481.88544 g/mol meclizine hydrochloride, usp structural formula
Clinical Pharmacology:
Clinical pharmacology meclizine hydrochloride, usp is an antihistamine that shows marked protective activity against nebulized histamine and lethal doses of intravenously injected histamine in guinea pigs. it has a marked effect in blocking the vasodepressor response to histamine, but only a slight blocking action against acetylcholine. its activity is relatively weak in inhibiting the spasmogenic action of histamine on isolated guinea pig ileum. pharmacokinetics the available pharmacokinetic information for meclizine hydrochloride, usp following oral administration has been summarized from published literature. absorption meclizine hydrochloride, usp is absorbed after oral administration with maximum plasma concentrations reaching at a median t max value of 3 hours post-dose (range: 1.5 to 6 hours) for the tablet dosage form. distribution drug distribution characteristics for meclizine hydrochloride, usp in humans remains unknown. metabolism the metabolic fate of meclizine hydrochlori
Read more...de, usp in humans is unknown. in an in vitro metabolic study using human hepatic microsome and recombinant cyp enzyme, cyp 2d6 was found to be the dominant enzyme for metabolism of meclizine hydrochloride, usp. the genetic polymorphism of cyp2d6 that results in extensive-, poor-, intermediate- and ultrarapid metabolizer phenotypes could contribute to large inter-individual variability in meclizine hydrochloride, usp exposure. elimination meclizine hydrochloride, usp has a plasma elimination half-life of about 5-6 hours in humans.
Pharmacokinetics:
Pharmacokinetics the available pharmacokinetic information for meclizine hydrochloride, usp following oral administration has been summarized from published literature.
How Supplied:
How supplied naus-ease® (meclizine hydrochloride), usp tablets are available in 25mg strengths, and is available in 8 and 16 count package sizes. 25 mg tablets; yellow; oval shaped; scored; "tl121" imprinted on each tablet naus-ease® (meclizine hydrochloride), usp; 8 tablets: ndc 49467-124-08 naus-ease® (meclizine hydrochloride), usp; 16 tablets: ndc 49467-124-16 distributed by: sunascen therapeutics llc rockville, md 20850 usa
Package Label Principal Display Panel:
Principal display panel naus-ease® (meclizine hydrochloride), usp; tablets 25 mg each antiemetic â prevent and treat: nausea and vomiting tamper evident: do not use if carton is opened or if blister unit is torn, broken or shows any signs of tampering. naus-ease® (meclizine hydrochloride), usp - tablet carton image