A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.
Antihistamines are drugs that inhibit the action of histamine in the body by blocking the receptors of histamine. There are two types of histamine receptors H1 and H2. When H1 receptors are stimulated by histamine it may produce allergic reactions such as itching, hay fever and rash or hives.
Antihistamines treat the symptoms of allergic reactions. Some antihistamines are sedating and although some are classed as non-sedating antihistamines, they may still cause drowsiness in some people.
Drug Name  ( View by: Brand | Generic )
|
Reviews |
Ratings |
Allegra ODT (More...)
generic name: fexofenadine
|
1 review | | 10 |
Seldane (More...)
generic name: terfenadine
|
2 reviews | | 10 |
Zyrtec Hives (More...)
generic name: cetirizine
|
0 reviews | | 10 |
Zymine (More...)
generic name: triprolidine
|
1 review | | 9.7 |
Lodrane 24 (More...)
generic name: brompheniramine
|
6 reviews | | 9.4 |
Chlor-Trimeton (Pro, More...)
generic name: chlorpheniramine
|
12 reviews | | 9.1 |
All Day Allergy (Pro, More...)
generic name: cetirizine
|
1 review | | 9.0 |
Compoz Nighttime Sleep Aid (More...)
generic name: diphenhydramine
|
2 reviews | | 9.0 |
Palgic (Pro, More...)
generic name: carbinoxamine
|
2 reviews | | 9.0 |
Unisom SleepMelts (More...)
generic name: diphenhydramine
|
1 review | | 9.0 |
Wal-finate (More...)
generic name: chlorpheniramine
|
1 review | | 9.0 |
Phenergan (Pro, More...)
generic name: promethazine
|
77 reviews | | 8.5 |
Promethegan (Pro, More...)
generic name: promethazine
|
0 reviews | | 8.4 |
Children's Claritin Allergy (More...)
generic name: loratadine
|
3 reviews | | 8.3 |
Xyzal (Pro, More...)
generic name: levocetirizine
|
81 reviews | | 8.2 |
Benadryl Children's Allergy (More...)
generic name: diphenhydramine
|
0 reviews | | 8.0 |
Allegra (Pro, More...)
generic name: fexofenadine
|
57 reviews | | 7.7 |
Antinaus 50 (More...)
generic name: promethazine
|
0 reviews | | 7.7 |
Benadryl (Pro, More...)
generic name: diphenhydramine
|
36 reviews | | 7.6 |
Clarinex (Pro, More...)
generic name: desloratadine
|
5 reviews | | 7.5 |
Zyrtec (Pro, More...)
generic name: cetirizine
|
92 reviews | | 7.5 |
Benadryl Allergy (More...)
generic name: diphenhydramine
|
22 reviews | | 7.4 |
Sominex (More...)
generic name: diphenhydramine
|
16 reviews | | 7.1 |
Allerhist-1 (More...)
generic name: clemastine
|
0 reviews | | 7.0 |
Banophen (More...)
generic name: diphenhydramine
|
0 reviews | | 7.0 |
Claritin 24 Hour Allergy (More...)
generic name: loratadine
|
1 review | | 7.0 |
Hyzine (More...)
generic name: hydroxyzine
|
1 review | | 7.0 |
Atarax (Pro, More...)
generic name: hydroxyzine
|
81 reviews | | 6.6 |
Nytol (More...)
generic name: diphenhydramine
|
4 reviews | | 6.5 |
Phenadoz (Pro, More...)
generic name: promethazine
|
0 reviews | | 6.5 |
Vistaril (Pro, More...)
generic name: hydroxyzine
|
125 reviews | | 6.2 |
Lodrane 12 Hour (More...)
generic name: brompheniramine
|
0 reviews | | 6.0 |
Simply Sleep (More...)
generic name: diphenhydramine
|
12 reviews | | 5.6 |
Alavert (Pro, More...)
generic name: loratadine
|
1 review | | 5.5 |
Claritin (Pro, More...)
generic name: loratadine
|
12 reviews | | 5.5 |
Unisom SleepGels (More...)
generic name: diphenhydramine
|
9 reviews | | 5.2 |
Tavist (More...)
generic name: clemastine
|
0 reviews | | 5.0 |
Triaminic Thin Strips Cough & Runny Nose (More...)
generic name: diphenhydramine
|
0 reviews | | 3.0 |
Allegra Allergy (More...)
generic name: fexofenadine
|
6 reviews | | 1.7 |
Aller-Ease (More...)
generic name: fexofenadine
|
1 review | | 1.0 |
12 Hour Allergy Relief (More...)
generic name: clemastine
|
0 reviews | | 0.0 |
Ala-Hist IR (More...)
generic name: dexbrompheniramine
|
0 reviews | | 0.0 |
All Day Allergy Children's (Pro, More...)
generic name: cetirizine
|
0 reviews | | 0.0 |
Aller-Chlor (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Aller-Tec (More...)
generic name: cetirizine
|
0 reviews | | 0.0 |
Aller-Tec Children's (More...)
generic name: cetirizine
|
0 reviews | | 0.0 |
Allergy Relief (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Allergy Relief 24 Hour (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Allergy Relief Tablets (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Allermax (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Arbinoxa (Pro, More...)
generic name: carbinoxamine
|
0 reviews | | 0.0 |
Bactimicina Allergy (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Ben-Tann (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Bromax (Pro, More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
Brovex (More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
Brovex CT (More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
C.P.M. (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Carboxine (More...)
generic name: carbinoxamine
|
0 reviews | | 0.0 |
Children's Allergy Relief (More...)
generic name: cetirizine
|
0 reviews | | 0.0 |
Children's Allergy Relief 24 Hour (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Children's Zyrtec (More...)
generic name: cetirizine
|
0 reviews | | 0.0 |
Chlo-Amine (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Chlor-Mal (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
ChlorTan (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Clarinex Reditabs (More...)
generic name: desloratadine
|
0 reviews | | 0.0 |
Claritin Reditabs (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Clear-Atadine (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Complete Allergy Relief (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Dayhist Allergy (More...)
generic name: clemastine
|
0 reviews | | 0.0 |
Dicopanol (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Dimetane Extentab (More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
Dimetapp Children's ND Non-Drowsy Allergy (Pro, More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Diphedryl (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Diphenhist (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Dytan (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Dytuss (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Ed-Chlortan (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Ed ChlorPed (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Histex CT (More...)
generic name: carbinoxamine
|
0 reviews | | 0.0 |
Histex IE (More...)
generic name: carbinoxamine
|
0 reviews | | 0.0 |
Histex PD (More...)
generic name: carbinoxamine
|
0 reviews | | 0.0 |
Histex PD Drops (More...)
generic name: triprolidine
|
0 reviews | | 0.0 |
Histex Syrup (More...)
generic name: triprolidine
|
0 reviews | | 0.0 |
J-Tan (More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
J-Tan PD (More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
Karbinal ER (Pro, More...)
generic name: carbinoxamine
|
0 reviews | | 0.0 |
Leader Allerhist (More...)
generic name: clemastine
|
0 reviews | | 0.0 |
LoHist-12 (More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
ohm Allergy Relief (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
PediaCare Children's Allergy (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
PediaTan (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Pediatex (More...)
generic name: carbinoxamine
|
0 reviews | | 0.0 |
Pediox (More...)
generic name: carbinoxamine
|
0 reviews | | 0.0 |
Poly-Histine (More...)
generic name: pheniramine/phenyltoloxamine/pyrilamine
|
0 reviews | | 0.0 |
Ricobid H (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Scot-Tussin Allergy (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Silphen Cough (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Siltane (More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
Sleepinal (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Tavist-1 (More...)
generic name: clemastine
|
0 reviews | | 0.0 |
Tavist Allergy (More...)
generic name: clemastine
|
0 reviews | | 0.0 |
Tavist ND (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Theraflu Thin Strips Multi Symptom (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Topco Allergy (More...)
generic name: chlorpheniramine
|
0 reviews | | 0.0 |
Tranquil Nighttime Sleep Aid (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Tri-Histine (More...)
generic name: pheniramine/phenyltoloxamine/pyrilamine
|
0 reviews | | 0.0 |
Triaminic Thin Strips Allergy (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Tripohist (More...)
generic name: triprolidine
|
0 reviews | | 0.0 |
Twilite (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Valu-Dryl (More...)
generic name: diphenhydramine
|
0 reviews | | 0.0 |
Vanahist PD (More...)
generic name: triprolidine
|
0 reviews | | 0.0 |
VaZol (More...)
generic name: brompheniramine
|
0 reviews | | 0.0 |
Vicks QlearQuil All Day & All Night 24 Hour Allergy Relief (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Wal-itin (More...)
generic name: loratadine
|
0 reviews | | 0.0 |
Zymine XR (More...)
generic name: triprolidine
|
0 reviews | | 0.0 |
