Clemastine Fumarate

Clemastine Fumarate

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Questions & Answers

Side Effects & Adverse Reactions

Antihistamines should be used with considerable caution in patients with: narrow angle glaucoma, stenosing peptic ulcer, pyloroduodenal obstruction, symptomatic prostatic hypertrophy, and bladder neck obstruction.

Use in Children

Safety and efficacy of clemastine fumarate have not been established in children under the age of 12 years.

Use in Pregnancy

Experience with this drug in pregnant women is inadequate to determine whether there exists a potential for harm to the developing fetus.

Use with CNS Depressants

Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.)

Use in Activities Requiring Mental Alertness

Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc.

Use in the Elderly (approximately 60 years or older)

Antihistamines are more likely to cause dizziness, sedation, and hypotension in elderly patients.

Legal Issues

There is currently no legal information available for this drug.

FDA Safety Alerts

There are currently no FDA safety alerts available for this drug.

Manufacturer Warnings

There is currently no manufacturer warning information available for this drug.

FDA Labeling Changes

There are currently no FDA labeling changes available for this drug.

Uses

Clemastine fumarate tablets are indicated for the relief of symptoms associated with allergic rhinitis such as sneezing, rhinorrhea, pruritus, and lacrimation.

Clemastine fumarate tablets are also indicated for the relief of mild, uncomplicated allergic skin manifestations of urticaria and angioedema.

It should be noted that clemastine is indicated for the dermatologic indications at the 2.68 mg dosage level only.

History

There is currently no drug history available for this drug.

Other Information

Clemastine fumarate belongs to the benzhydryl ether group of antihistaminic compounds. The chemical name is (+)-2-[-2- [(p-chloro-α-methyl-α-phenylbenzyl) oxy] ethyl]-1-methylpyrrolidine hydrogen fumarate. It has the following structural formula:

Clemastine fumarate structural formula

Each tablet for oral administration contains 2.68 mg clemastine fumarate. Inactive ingredients include lactose (monohydrate), hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, sodium starch glycolate, and starch (corn).

Clemastine Fumarate Manufacturers


  • Sandoz Inc
    Clemastine Fumarate Tablet [Sandoz Inc]
  • Sandoz Inc
    Clemastine Fumarate Tablet [Sandoz Inc]
  • Physicians Total Care, Inc.
    Clemastine Fumarate Tablet [Physicians Total Care, Inc.]
  • Teva Pharmaceuticals Usa Inc
    Clemastine Fumarate Tablet [Teva Pharmaceuticals Usa Inc]
  • Carilion Materials Management
    Clemastine Fumarate Tablet [Carilion Materials Management]
  • Northwind Pharmaceuticals, Llc
    Clemastine Fumarate Tablet [Northwind Pharmaceuticals, Llc]

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