Before revision: Imidazolines such as clonidine, naphazoline, oxymetazoline and tetrahydrozoline Antipsychotics, including risperidone, haloperidol, chlorpromazine, olanzapine, quetiapine and others Antihistamines, such as diphenhydramine Cholinergic agents such as acetylcholine Acetylcholinesterase inhibitors Serotonin antagonists, such as Ondansetron (an anti-emetic) known by its brand name Zofran Some cancer chemotherapy drugs, including camptothecin derivatives Mirtazapine, a noradrenergic and specific serotonergic antidepressant (NaSSA) Some MAO Inhibitors.
After revision: Imidazolines such as clonidine, naphazoline, oxymetazoline and tetrahydrozoline Antipsychotics, including risperidone, haloperidol, chlorpromazine, olanzapine, quetiapine Cholinergic agents such as acetylcholine Acetylcholinesterase inhibitors Serotonin antagonists, such as Ondansetron (an anti-emetic) known by its brand name Zofran Some cancer chemotherapy drugs, including camptothecin derivatives Mirtazapine, a noradrenergic and specific serotonergic antidepressant (NaSSA) Some MAO Inhibitors.