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Allergy

Antihistamines for allergies, hay fever, and hives

Over-the-counter medicines in Canada

Reference only. For dosing, read the local product label or leaflet linked from each card — formulations and approved doses vary by country.

cetirizine

Purpose Antihistamine

14 OTC products in Canada

ALLERGY RELIEF
10 mg · tablet
label · Verified May 2026
ALLERGY RELIEF LIQUID GELS
10 mg · capsule
label · Verified May 2026
APO-CETIRIZINE
10 mg · tablet
label · Verified May 2026
CETIRIZINE EXTRA STRENGTH
10 mg · tablet
label · Verified May 2026
EXTRA STRENGTH ALLERGY RELIEF
10 mg · tablet
label · Verified May 2026

and 9 more…

chlorpheniramine

9 OTC products in Canada

ADVIL COLD AND SINUS NIGHTTIME
2 mg · tablet
label · Verified May 2026
BUCKLEY'S NIGHTTIME COMPLETE EXTRA STRENGTH
2 mg/5 ml · syrup
label · Verified May 2026
BUCKLEY'S NIGHTTIME COMPLETE EXTRA STRENGTH PLUS MUCUS RELIEF
2 mg/5 ml · syrup
label · Verified May 2026
CHILDREN'S TYLENOL COLD
1 mg/5 ml · suspension
label · Verified May 2026
COLD + SINUS PLUS
2.0 mg · tablet
label · Verified May 2026

and 4 more…

cyproheptadine

3 OTC products in Canada

EURO-CYPROHEPTADINE 2MG/5ML
2 mg/5 ml · syrup
label · Verified May 2026
JAMP-CYPROHEPTADINE
4 mg · tablet
label · Verified May 2026
MAR-CYPROHEPTADINE
4 mg · tablet
label · Verified May 2026

desloratadine

5 OTC products in Canada

AERIUS
5 mg · tablet
label · Verified May 2026
AERIUS KIDS
0.5 mg/ML · syrup
label · Verified May 2026
AERIUS SINUS + ALLERGY
2.5 mg · tablet
label · Verified May 2026
DESLORATADINE
5 mg · tablet
label · Verified May 2026
DESLORATADINE ALLERGY CONTROL
5 mg · tablet
label · Verified May 2026

dimenhydrinate

20 OTC products in Canada

ANTI-NAUSEANT
50 mg · tablet
label · Verified May 2026
ANTI-NAUSEANT LIQUID GELS
50 mg · capsule
label · Verified May 2026
CONFAB DIMENHYDRINATE 100 MG
100 mg · suppository
label · Verified May 2026
CONFAB DIMENHYDRINATE 50 MG
50 mg · suppository
label · Verified May 2026
GAVISCON NAUSEA
50 mg · tablet
label · Verified May 2026

and 15 more…

diphenhydramine

Active ingredients (in each 10 mL) Purposes Acetaminophen 325 mg Pain reliever/fever reducer Diphenhydramine HCl 12.5 mg Antihistamine/cough suppressant Phenylephrine HCl 5 mg Nasal decongestant

65 OTC products in Canada

ADVIL FLU
25 mg · capsule
label · Verified May 2026
ADVIL NIGHTTIME
25 mg · capsule
label · Verified May 2026
ALLERGY FORMULA
25 mg · tablet
label · Verified May 2026
ALLERGY FORMULA
12.5 mg/5 ml · syrup
label · Verified May 2026
ALLERGY FORMULA CAPLETS
25 mg · tablet
label · Verified May 2026

and 60 more…

diphenylpyraline

1 OTC product in Canada

CREO-RECTAL ADULTES/ADULTS
1.5 mg · suppository
label · Verified May 2026

doxylamine

6 OTC products in Canada

BUCKLEY'S COMPLETE NIGHTTIME SOFTGELS
6.25 mg · capsule
label · Verified May 2026
NIGHTTIME COLD & FLU LIQUID CAPSULES
6.25 mg · capsule
label · Verified May 2026
NYQUIL COMPLETE
12.5 mg/30 ml · syrup
label · Verified May 2026
NYQUIL KIDS
6.25 mg/15 ml · syrup
label · Verified May 2026
ROBITUSSIN HONEY COUGH & COLD NIGHTTIME
12.5 mg/20 ml · syrup
label · Verified May 2026

and 1 more…

fexofenadine

Purpose Antihistamine Nasal Decongestant

4 OTC products in Canada

ALLEGRA 12 HOUR
60 mg · tablet
label · Verified May 2026
ALLEGRA 24 HOUR
120 mg · tablet
label · Verified May 2026
ALLEGRA HIVES
60 mg · tablet
label · Verified May 2026
ALLEGRA-D
60 mg · tablet
label · Verified May 2026

loratadine

Purpose Antihistamine

11 OTC products in Canada

24 HOUR ALLERGY REMEDY
10 mg · tablet
label · Verified May 2026
ALLERGY REMEDY
10 mg · tablet
label · Verified May 2026
ALLERTIN
10 mg · capsule
label · Verified May 2026
APO-LORATADINE
10 mg · tablet
label · Verified May 2026
CLARITIN ALLERGY
10 mg · tablet
label · Verified May 2026

and 6 more…

promethazine

1 OTC product in Canada

HISTANTIL TAB 50MG
50 mg · tablet
label · Verified May 2026

pyrilamine

1 OTC product in Canada

MIDOL COMPLETE
15 mg · tablet
label · Verified May 2026