| Term 
 | Definition 
 
        | avoid concomitant use APAP or COX-II if possible |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Avoid concomitant use; decrease warfarin dose by 50% pre and 1 wk post |  | 
        |  | 
        
        | Term 
 
        | warfarin and macrolides (especially erythromycin) |  | Definition 
 
        | interaction may be delayed; use other category, clarithromycin or azithromycin |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | use other categor; evidence strong for cipro, levo, norflxacin, enoxacin and ofloxacin |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | draw potassium levels prior to ACE initiation |  | 
        |  | 
        
        | Term 
 
        | GI irritation and erosion, decreased platelet adhesion |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | unknown; infection and inflammation promotes the effect of warf, may be secondatry to decrease warf degradation in the gut |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | metabolic inhibition; secondary to decreased vit K production by gut flora, may also be inflammation/ infection factor |  | Definition 
 
        | warfarin and macrolides (especially erythromycin) |  | 
        |  | 
        
        | Term 
 
        | metabolic inhibition; secondary to decreased vit K production by gut flora, may also be inflammation/ infection factor |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | CYP2C9 inhibitor which increases levels of S-warfarin |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | unknown; warf metabolism inhibited early effect and late effect (2-3) weeks warf metab might be induced..lack of effect |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | ACEI → ↓ aldosterone → ↓ K+ excretion |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Additive K+ sparing effects |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Draw K+ level prior to starting spironolactone |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | avoid concomitant use APAP or COX-II if possible |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Avoid concomitant use; decrease warfarin dose by 50% pre and 1 wk post |  | 
        |  | 
        
        | Term 
 
        | warfarin and macrolides (especially erythromycin) |  | Definition 
 
        | interaction may be delayed; use other category, clarithromycin or azithromycin |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | use other categor; evidence strong for cipro, levo, norflxacin, enoxacin and ofloxacin |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | draw potassium levels prior to ACE initiation |  | 
        |  | 
        
        | Term 
 
        | GI irritation and erosion, decreased platelet adhesion |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | unknown; infection and inflammation promotes the effect of warf, may be secondatry to decrease warf degradation in the gut |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | metabolic inhibition; secondary to decreased vit K production by gut flora, may also be inflammation/ infection factor |  | Definition 
 
        | warfarin and macrolides (especially erythromycin) |  | 
        |  | 
        
        | Term 
 
        | metabolic inhibition; secondary to decreased vit K production by gut flora, may also be inflammation/ infection factor |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | CYP2C9 inhibitor which increases levels of S-warfarin |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | unknown; warf metabolism inhibited early effect and late effect (2-3) weeks warf metab might be induced..lack of effect |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | ACEI → ↓ aldosterone → ↓ K+ excretion |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Additive K+ sparing effects |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Draw K+ level prior to starting spironolactone |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | check baseline dig level, decrease dig dose by 50% |  | 
        |  | 
        
        | Term 
 
        | ↓ digoxin clearance Possible additive effect on SA node?
 |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | check baseline dig level, consider dig dose reduction |  | 
        |  | 
        
        | Term 
 
        | Synergistic effect leading to bradycardia and heart block; decreased dig clearance |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Theophylline + Quinolones |  | Definition 
 
        | check baseline theophylline levels, avoid enoxacin and cipro (30-40% decrease in clearance) |  | 
        |  | 
        
        | Term 
 
        | ↓ theophylline Cl- hepatic metabolism inhibited by quinolones |  | Definition 
 
        | Theophylline + Quinolones |  | 
        |  |