Recreational use of dextromethorphan: Dextromethorphan (DXM), a common active ingredient found in many over-the-counter cough suppressant cold medicines, is used as a recreational drug and entheogen for its dissociative effects. It has almost no psychoactive effects at medically recommended doses.DextrorphanCough Syrup (song)Drug reaction testing: Drug reaction testing uses a genetic test to predict how a particular person will respond to various prescription and non-prescription medications. It checks for genes that code for specific liver enzymes which activate, deactivate, or are influenced by various drugs.QuinidineGuaifenesinCoricidin: 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 expectorant).CodeinePerhexilineGastric distension: Gastric distension is bloating of the stomach when air is pumped into it. This may be done when someone is performing cardiopulmonary resuscitation and blowing air into the mouth of someone who is not breathing spontaneously.Cyclorphan: Cyclorphan is an opioid compound that is a δ-opioid receptor agonist, a κ-opioid receptor agonist, and a μ-opioid receptor antagonist. Chemically, it is a morphinan and is related to levorphanol.Heinrich Laehr: Heinrich Laehr (10 March 1820 – 18 August 1905) was a German psychiatrist born in Sagan, Silesia.BD1018: BD1018 or (S)-2-[2-(3,4-dichlorophenyl)ethyl]octahydropyrrolo[1,2-a]pyrazine is a selective sigma receptor ligand, with a reported binding affinity of Ki = 5 ± 0.7 nM for the sigma-1 receptor and approximately 10 times selectivity over the sigma-2 receptor.ATC code R05: ==R05C Expectorants, excluding combinations with cough suppressants==MemantineMicrosome: In cell biology, microsomes are vesicle-like artifacts re-formed from pieces of the endoplasmic reticulum (ER) when eukaryotic cells are broken-up in the laboratory; microsomes are not present in healthy, living cells.Habit cough: A habit cough (also known as psychogenic cough and pseudoasthma) is a cough that may develop in children or adolescents after a cold or other airway irritant. It has also been reported in adults.CGP-37849