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Dextromethorphan is a levorphanol derivative and codeine analog commonly used as a cough suppressant and also a drug of abuse. Although similar in structure to other opioids, it has minimal interaction with opioid receptors. Dextromethorphan was granted FDA approval before 3 December 1957.[A215412,L14997]
Approved
Matched Categories: … Heterocyclic Compounds with 4 or More Rings …
Histamine H1 antagonist used in treatment of allergies, rhinitis, and urticaria.
Approved
Pseudoephedrine is structurally related to ephedrine but exerts a weaker effect on the sympathetic nervous system.[A188820,A188823] Both drugs naturally occur in in ephedra plant which have a history of use in traditional Eastern medicine and were first researched in the west in 1889. The decongestant effect of pseudoephedrine was described...
Approved
Displaying all 3 drugs