| 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) |
| tablets | Solid dosage forms, of varying weight, size, and shape, which may be molded or compressed, and which contain a medicinal substance in pure or diluted form. (12 Dec 1998) |
| tablets, enteric-coated | Tablets coated with material that delays release of the medication until after they leave the stomach. (12 Dec 1998) |
| dextromethorphan | <chemical> The d-isomer of the codeine analog of levorphanol. It acts on the medullary cough centre to suppress cough but does not have the addictive, analgesic, and sedative effects of codeine and does not produce respiratory depression at usual doses. Pharmacological action: antitussive agents. Chemical name: Morphinan, 3-methoxy-17-methyl-, (9alpha,13alpha,14alpha)- (12 Dec 1998) |
| dextromethorphan hydrobromide | Hydrobromide of d-racemethorphan; d-3-methoxy-N-methylmorphinan hydrobromide;a synthetic morphine derivative used as an antitussive agent. It has weak central depressant action, and appears to have little addiction liability. (05 Mar 2000) |
| dextromethorphan O-demethylase | <enzyme> Cytochrome p450iid6 is the specific cytochrome used for the enzymatic reaction Registry number: EC 1.- (26 Jun 1999) |