| Term 
 | Definition 
 
        | H1 Receptor Antagonists, 1st Generation + sedation
 In OTC “cold” drugs
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | H1 Receptor Antagonists, 1st Generation +++ sedation
 Widely used; not in newborns
 Not with ototoxic antibiotics
 Used in motion sickness
 PD
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | H1 Receptor Antagonists, 1st Generation motion sickness, vestibular disturbances
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | H1 Receptor Antagonists, 1st Generation cardiotoxic at high levels, esp with antimicrobials (lethal ventricular arrhythmias)
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | H1 Receptor Antagonist, 2nd generation No sedation!
 Lower risk of cardiac effects (it’s the active metabolite that is not toxic from terfenadine)
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | H1 Receptor Antagonist, 2nd generation No sedation
 Longer action
 No sign. Cardiac effects
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | H1 Receptor Antagonist, 2nd generation oral, long-acting antihistamine that is similar chemically to loratadine
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | H1 Receptor Antagonist, 2nd generation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Release Inhibitor 
 inhibit immunologically triggered degranulation (e.g., lung mast cells)
 work only in prophylaxis!
 nasal spray, eye drops
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Release Inhibitor inhibit immunologically triggered degranulation (e.g., lung mast cells)
 work only in prophylaxis!
 nasal spray, eye drops
 inhibition of degranulation (e.g., by cromolyn sodium) prevents effects of all=much more efficient!
 |  | 
        |  |