Advanced Filter

Filter by Group

Filter by Market Availability

Displaying all 3 drugs
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 …
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
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.
Approved
Displaying all 3 drugs