Leukotrienes are fatty signaling molecules. They were first found in  
leukocytes (hence their name). One of their roles (specifi
    
     
        Medications are more effective if used earlier in an attack. The frequent  
use of medications may, however, result in medication
    
     
        Serotonin is a neurotransmitter, and is found in all bilateral animals,  
where it mediates gut movements and the animal's percep
    
     
        Most NSAIDs act as nonselective inhibitors of the enzyme cyclooxygenase  
(COX), inhibiting both the cyclooxygenase-1 (COX-1) and
    
    
   
        An antiemetic is a drug that is effective against vomiting and nausea.  
Antiemetics are typically used to treat motion sickness
    
     
        Eicosanoids exert complex control over many bodily systems, mainly in  
inflammation or immunity, and as messengers in the centra
    
     
        A peptic ulcer, also known as PUD or peptic ulcer disease, is the most  
common ulcer of an area of the gastrointestinal tract th
    
     
        An H1 antagonist is a histamine antagonist of the H1 receptor that serves  
to reduce or eliminate effects mediated by histamine,
    
     
        Histamine is an organic nitrogen compound involved in local immune  
responses as well as regulating physiological function in th
    
     
        Anthelmintics or antihelminthics are drugs that expel parasitic worms  
(helminths) from the body, by either stunning or killing