| chlorpheniramine | <chemical> A histamine h1 antagonist used in allergic reactions, hay fever, rhinitis, urticaria, and asthma. It has also been used in veterinary applications. One of the most widely used of the classical antihistaminics, it generally causes less drowsiness and sedation than promethazine. Pharmacological action: anti-allergic agents, antipruritics, histamine h1 antagonists. Chemical name: 2-Pyridinepropanamine, gamma-(4-chlorophenyl)-N,N-dimethyl- (12 Dec 1998) |
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| chlorpheniramine maleate | (±)-2-[p-Chloro-alpha-[2-(dimethylamino)ethyl]benzyl]pyridine maleate;an antihistamine. (05 Mar 2000) |
| phenylephrine | <chemical> An alpha-adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent. Pharmacological action: adrenergic alpha-agonists, cardiotonic agent, mydriatics, nasal decongestants, sympathomimetic, vasoconstrictor agents. Chemical name: Benzenemethanol, 3-hydroxy-alpha-((methylamino)methyl)-, (R)- (12 Dec 1998) |
| phenylephrine hydrochloride | <drug> An alpha 1 adrenergic agonist. (15 Oct 1997) |
| pyrilamine | <chemical> A histamine h1 antagonist. It has mild hypnotic properties and some local anaesthetic action and is used for allergies (including skin eruptions) both parenterally and locally. It is a common ingredient of cold remedies. Pharmacological action: anti-allergic agents, histamine h1 antagonists. Chemical name: 1,2-Ethanediamine, N-((4-methoxyphenyl)methyl)-N',N'-dimethyl-N-2-pyridinyl- (12 Dec 1998) |
| pyrilamine maleate | 2-[(2-dimethylaminoethyl) (p-methoxybenzyl)amino]pyridine maleate;an antihistaminic. Synonym: mepyramine maleate. (05 Mar 2000) |