ALLERGY RELIEF EXTRA STRENGTH- diphenhydramine hcl tablet, film coated

Allergy Relief by

Drug Labeling and Warnings

Allergy Relief by is a Otc medication manufactured, distributed, or labeled by CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED, LNK International, Inc.. Drug facts, warnings, and ingredients follow.

Drug Details [pdf]

Active ingredient (in each caplet)

Diphenhydramine HCl 50 mg

Purpose

Antihistamine 

Uses

• temporarily relieves these symptoms due to hay fever or other upper respiratory allergies:
  • runny nose
  • itchy, watery eyes
  • sneezing
  • itching of the nose or throat
• temporarily relieves these symptoms due to the common cold:
  • runny nose
  • sneezing

Warnings

Do not use

• with any other product containing diphenhydramine, even one used on skin

Ask a doctor before use if you have

• a breathing problem such as emphysema or chronic bronchitis
• glaucoma
• difficulty in urination due to enlargement of the prostate gland

Ask a doctor or pharmacist before use if you are

taking sedatives or tranquilizers.

When using this product

• excitability may occur, especially in children
• marked drowsiness may occur
• alcohol, sedatives, and tranquilizers may increase drowsiness
• avoid alcoholic beverages
• use caution when driving a motor vehicle or operating machinery

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.

Directions

• do not take more than directed
• do not take more than 6 times in 24 hours
• adults and children 12 years and over: take 1 caplet every 4 to 6 hours, or as directed by a doctor
• children under 12 years: do not use

Other information

• each caplet contains: calcium 50 mg
• TAMPER EVIDENT: DO NOT USE IF OUTER PACKAGE IS OPENED OR BLISTER IS TORN OR BROKEN
• protect from moisture
• store at 25°C (77°F); excursions permitted between 15°-30°C (59°-86°F)
• see end flap for expiration date and lot number

Inactive ingredients

croscarmellose sodium, dibasic calcium phosphate dihydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, silicon dioxide, stearic acid, talc

Questions or comments?

1-800-426-9391

Principal Display Panel

NDC: 51316-799-08

♥ CVS™

actual size

Extra Strength
ALLERGY RELIEF

Diphenhydramine HCl, 50 mg
Antihistamine

Compare to the active ingredient in
Benadryl® Allergy Extra Strength*

24
CAPLETS

Relief of: Itchy & watery eyes,
Runny nose, Itchy throat,
Sneezing

Ages
12 Years
& Over

TAMPER EVIDENT: DO NOT USE IF PACKAGE IS
OPENED OR IF BLISTER UNIT IS TORN, BROKEN
OR SHOWS ANY SIGNS OF TAMPERING

*This product is not manufactured or distributed by Kenvue Inc., owner
of the registered trademark Benadryl® Allergy Extra Strength.
50844   ORG022579908

Distributed by: CVS Pharmacy, Inc.
One CVS Drive, Woonsocket, RI 02895
© 2026 CVS/pharmacy
CVS.com®   1-800-SHOP CVS
V-18615

100% money back
guaranteed.
CVS.com/returnpolicy

CVS 44-799

INGREDIENTS AND APPEARANCE

ALLERGY RELIEF  EXTRA STRENGTH
diphenhydramine hcl tablet, film coated

Product Information
Product Type	HUMAN OTC DRUG	Item Code (Source)	NDC: 51316-799
Route of Administration	ORAL

Active Ingredient/Active Moiety
Ingredient Name	Basis of Strength	Strength
DIPHENHYDRAMINE HYDROCHLORIDE (UNII: TC2D6JAD40) (DIPHENHYDRAMINE - UNII:8GTS82S83M)	DIPHENHYDRAMINE HYDROCHLORIDE	50 mg

Inactive Ingredients
Ingredient Name	Strength
CROSCARMELLOSE SODIUM (UNII: M28OL1HH48)
DIBASIC CALCIUM PHOSPHATE DIHYDRATE (UNII: O7TSZ97GEP)
MAGNESIUM STEARATE (UNII: 70097M6I30)
MICROCRYSTALLINE CELLULOSE (UNII: OP1R32D61U)
POLYETHYLENE GLYCOL, UNSPECIFIED (UNII: 3WJQ0SDW1A)
POLYVINYL ALCOHOL, UNSPECIFIED (UNII: 532B59J990)
SILICON DIOXIDE (UNII: ETJ7Z6XBU4)
STEARIC ACID (UNII: 4ELV7Z65AP)
TALC (UNII: 7SEV7J4R1U)

Product Characteristics
Color	white	Score	no score
Shape	OVAL	Size	15mm
Flavor		Imprint Code	44;799
Contains

Packaging
#	Item Code	Package Description	Marketing Start Date	Marketing End Date
1	NDC: 51316-799-08	2 in 1 CARTON	01/27/2026
1		12 in 1 BLISTER PACK; Type 0: Not a Combination Product

Marketing Information
Marketing Category	Application Number or Monograph Citation	Marketing Start Date	Marketing End Date
OTC Monograph Drug	M012	01/27/2026

Labeler - CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED (062312574)

Establishment
Name	Address	ID/FEI	Business Operations
LNK International, Inc.		038154464	pack(51316-799)

Establishment
Name	Address	ID/FEI	Business Operations
LNK International, Inc.		832867837	manufacture(51316-799) , pack(51316-799)

Establishment
Name	Address	ID/FEI	Business Operations
LNK International, Inc.		832867894	manufacture(51316-799)

Establishment
Name	Address	ID/FEI	Business Operations
LNK International, Inc.		117025878	manufacture(51316-799)