
1) Antihistamine 2) Chlor-trimeton 3) Chlorpheniramine maleate 4) Combination drug
Found on
https://www.crosswordclues.com/clue/coricidin

Coricidin, Coricidin `D` (decongestant), or CoricidinHBP (for high blood pressure), is the name of a drug marketed by Schering-Plough that contains dextromethorphan (a cough suppressant) and chlorpheniramine maleate (an antihistamine). Varieties of Coricidin may also contain acetaminophen (an analgesic/antipyretic) and guaifenesin (an expectoran.....
Found on
http://en.wikipedia.org/wiki/Coricidin
No exact match found.