Clemastine Dosage

The standard recommended dose of clemastine for non-prescription products is one tablet every 12 hours. For the prescription tablets, the usual recommended dosage for treating respiratory or skin allergies is one-half tablet every 12 hours. For the prescription syrup form of the medication, dosing is determined by your age and the specific condition being treated.

Clemastine Dosage: An Introduction

There is only one standard recommended dose for non-prescription clemastine fumarate (Tavist® Allergy, Dayhist® Allergy). For the prescription versions, the dosage that your healthcare provider recommends will vary, depending on your age and the medical condition being treated.
 
As is always the case, do not adjust your dosage unless your healthcare provider specifically instructs you to do so.
 

Non-Prescription Clemastine

The recommended dosage for treating common cold or allergy symptoms in adults and children 12 years old and up is one tablet (1.34 mg tablets, equal to 1 mg of clemastine) every 12 hours, not to exceed two tablets in 24 hours (unless your healthcare provider recommends a higher dosage). Children under 12 years old should not take non-prescription clemastine.
 

Prescription Clemastine Tablets

The recommended dosage for treating respiratory or skin allergies in adults and children 12 years old and up is one-half prescription-strength tablet (1.34 mg tablets, equal to 1 mg of clemastine) every 12 hours. If necessary, your healthcare provider may increase your dosage up to a maximum of one tablet (2.68 mg tablets, equal to 2 mg of clemastine) three times daily.
 

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(Clemastine Dosage Continued: Page 2)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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