Dayhist allergy tablet

Active ingredient (in each tablet)

Clemastine fumarate, USP 1.34 mg (equivalent to 1 mg clemastine)




temporarily reduces these symptoms of the common cold, hay fever, and other respiratory allergies:

  1. runny nose
  2. itchy, watery eyes
  3. sneezing
  4. itching of the nose or throat


Ask a doctor before use if you have

  1. a breathing problem such as emphysema or chronic bronchitis
  2. glaucoma
  3. trouble urinating due to an enlargement of the prostate gland

Ask a doctor or pharmacist before use if you are

taking sedatives or tranquilizers

When using this product

  1. avoid alcoholic drinks
  2. drowsiness may occur
  3. alcohol, sedatives, and tranquilizers may increase drowsiness
  4. be careful when driving a motor vehicle or operating machinery
  5. excitability may occur, especially in children

If pregnant or breast-feeding,

ask a health professional before use.

Keep out of reach of children.

In case of overdose, get medical help or contact a Poison Control Center right away.


  1. adults and children 12 years of age and over: take 1 tablet every 12 hours; not more than 2 tablets in 24 hours unless directed by a doctor
  2. children under 12 years of age: consult a doctor

Other information

  1. sodium free
  2. store at 15-30C (59-86F)

Inactive ingredients

colloidal silicon dioxide, lactose monohydrate, povidone, pregelatinized starch, starch, stearic acid

Questions or comments?


Ingredients and appearance - Product information

Dayhist allergy tablet- Clemastine fumarate

Product information

Product Type HUMAN OTC DRUG LABEL Item Code (Source) NDC: 42507-282
Route of Administration Oral

Active Ingredient/Active Moiety

Ingredient Name Strength
Clemastine fumarate ( UNII: 19259EGQ3D)( Clemastine - UNII: 95QN29S1ID ) 1.34 mgin 1

Inactive Ingredients

Ingredient Name Code
Silicon dioxide ( UNII: ETJ7Z6XBU4)
Lactose monohydrate ( UNII: EWQ57Q8I5X)
Povidone ( UNII: FZ989GH94E)
Stearic acid ( UNII: 4ELV7Z65AP)

Product Characteristics

Color WHITE (off white) Size 9 mm
Shape CAPSULE Score 2
Imprint Code L282

Marketing Information

Marketing Category Application Number or Monograph Citation Territorial Authority Marketing Start Date

Labeler - HyVee Inc( 006925671)

Principal display panel

Compare to Tavist® Allergy active ingredient


Clemastine Fumarate Tablets, USP 1.34 mg



Runny nose


Itchy, watery eyes

Itchy throat

Dayhist® Allergy Carton Image 1 Dayhist® Allergy Carton Image 1

Dayhist® Allergy Carton Image 2