Lodoxamide tromethamine is used as an ophthalmic solution that specially applying to the eye.

Brompheniramine maleate is an antagonist of histamine H1 receptors.

Lodoxamide is an agonist of GPR35.

Decloxizine is a histamine 1 receptor antagonist.

GSK189254A is a 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.

Bavisant is a highly selective, orally active antagonist of the human H3 receptor with a mechanism of action, involving wakefulness and cognition, with potential as a treatment for ADHD.

S 38093 is a brain-penetrant antagonist/inverse agonist of H3 receptors.

SEN 12333 is a selective agonist of α7 nicotinic acetylcholine receptor (nAChR) with EC50 and Ki of 1.6 μM, 260 nM in rat. It also displays functional antagonism at histamine H3 receptors (IC50 = 103 nM).

Tripelennamine HCl is an antagonist of H1-receptor that used as a psychoactive drug with antipruritic activity.

Mianserin HCl is inverse agonist of H1 receptor and can be act as a psychoactive agent of the tetracyclic antidepressant.

Ebastine is a selective H1-histamine receptor antagonist.