| gptkbp:instanceOf | gptkb:nonsteroidal_anti-inflammatory_drug 
 | 
                        
                            
                                | gptkbp:ATCCode | M01AE01 
 | 
                        
                            
                                | gptkbp:availableOn | gptkb:tablet capsule
 suspension
 injection
 gel
 
 | 
                        
                            
                                | gptkbp:brand | gptkb:Nurofen gptkb:Motrin
 gptkb:Advil
 
 | 
                        
                            
                                | gptkbp:CASNumber | 15687-27-1 
 | 
                        
                            
                                | gptkbp:chemicalFormula | C13H18O2 
 | 
                        
                            
                                | gptkbp:contraindication | gptkb:kidney_disease gptkb:peptic_ulcer
 asthma
 pregnancy (third trimester)
 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:John_Nicholson gptkb:Stewart_Adams
 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1961 
 | 
                        
                            
                                | gptkbp:drugClass | gptkb:propionic_acid_derivative 
 | 
                        
                            
                                | gptkbp:eliminationHalfLife | 2–4 hours 
 | 
                        
                            
                                | gptkbp:excretion | gptkb:kidney 
 | 
                        
                            
                                | gptkbp:FDAApproved | 1974 
 | 
                        
                            
                                | gptkbp:first_marketed | 1969 
 | 
                        
                            
                                | gptkbp:interactsWith | gptkb:warfarin gptkb:aspirin
 gptkb:methotrexate
 lithium
 
 | 
                        
                            
                                | gptkbp:IUPACName | (RS)-2-(4-(2-methylpropyl)phenyl)propanoic acid 
 | 
                        
                            
                                | gptkbp:legalStatus | over-the-counter prescription (higher doses)
 
 | 
                        
                            
                                | gptkbp:mechanismOfAction | COX inhibitor 
 | 
                        
                            
                                | gptkbp:meltingPoint | 75–78 °C 
 | 
                        
                            
                                | gptkbp:metabolism | liver 
 | 
                        
                            
                                | gptkbp:origin | gptkb:United_Kingdom 
 | 
                        
                            
                                | gptkbp:pregnancyCategory | C (first and second trimester) D (third trimester)
 
 | 
                        
                            
                                | gptkbp:routeOfAdministration | oral topical
 intravenous
 
 | 
                        
                            
                                | gptkbp:sideEffect | nausea dizziness
 headache
 gastrointestinal upset
 
 | 
                        
                            
                                | gptkbp:sold_as_racemate | yes 
 | 
                        
                            
                                | gptkbp:solubility | very low 
 | 
                        
                            
                                | gptkbp:usedFor | pain relief fever reduction
 inflammation reduction
 
 | 
                        
                            
                                | gptkbp:WHOModelListOfEssentialMedicines | yes 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Motrin 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | ibuprofen 
 |