Dimebon is an antihistamine drug.

Doxylamine is a first generation antihistamine; can be used by itself as a short-term sedative and in combination with other drugs to provide night-time allergy and cold relief.

Epinastine(WAL801) is an antihistamine and mast cell stabilizer that is used in eye drops to treat allergic conjunctivitis.

Famotidine is a competitive histamine H2-receptor antagonist. Its main pharmacodynamic effect is the inhibition of gastric secretion.

Fexofenadine is a third-generation antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever, nasal congestion, and urticaria.

GSK189254A (GSK189254) is a novel, potent and selective histamine H3 receptor antagonist with pKi values of 9.59-9.90 and 8.51-9.17 for human and rat H3, respectively.

H4 Receptor antagonist 1 is a potent and selective histamine H4 receptor inverse agonist, with an IC50 of 19 nM.

Hydroxyzine is a histamine H1 receptor antagonist (Ki = 1.9 nM).

JNJ-5207852 is a selective and potent histamine H3 receptor (H3R) antagonist, with pKis of 8.9, 9.24 for rat and human H3R, respectively.

JNJ-7777120 is a selective H4R antagonist with Ki of 4 ±1 nM, exhibits >1000-fold selectivity over the other histamin receptors.

Ketotifen (fumarate) is a second-generation noncompetitive H1-antihistamine and mast cell stabilizer, which is used to prevent asthma attacks.

Levodropropizine is a histamine receptor inhibitor, Levodropropizine is an effective and very well tolerated peripheral antitussive drug.

Loratadine(SCH-29851) is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM.

Meclizine is a histamine H1 receptor antagonist used to treat nausea and motion sickness.

Mequitazine is a potent, nonsedative and long-acting histamine H1 antagonist.

Mizolastine is a histamine H1-receptor antagonist with IC50 of 47 nM used in the treatment of hay fever (seasonal allergic rhinitis), hives and other allergic reactions.

MLR-1023 is a chemical compound which inhibits acid secretion in animal models and also acts as a bronchodilator in histamine-challenged animals.

Pemirolast Potassium (BMY 26517) is a histamine H1 antagonist and mast cell stabilizer that acts as an antiallergic agent.

Pheniramine Maleate ia an antihistamine and vasoconstrictor.

Pitolisant Hcl(BF2.649;Ciproxidine ) is a novel, potent, and selective nonimidazole inverse agonist at the recombinant human H3 receptor (Ki=0.16 nM).

Roxatidine Acetate Hydrochloride is a histamine H2-receptor antagonist used in ulcer treatment. This compound has been found to inhibit platelet function in vitro.

Rupatadine is a dual histamine H1 and PAF antagonist