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Geriatric Nutrition-Drug Interactions
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Tetracycline and fluoroquinolones
decreased absorption with dietary cations
Macrolide and didanosine
decreased absorption with meals
Griseofulvin
Increased absorption with meals
Alcohol and metronidazole or cephalosporin
disulfiram-like reaction
Digoxin concentration
decreased by food/fiber
Felodipine concentration
increased with flavinoids
ACE-Is
Hyperkalemia or changes in taste
HMG-CoA reductase inhibitors
Decreased absorption with foods high in soluble fiber
Bile acid sequestrants
Decrease fat soluble vitamin absorption
Wafarin
counteracted by Vit K
Phenytoin
Therapeutic level decreased by enteral administration, applesauce increases it
Decrease in women's folic acid
Valproic acid, carbamezapine, phenobarbital, primidone
Serum phenytoin level
Decreased by folic acid administration
Metabolism of Vit D
Altered by phenytoin or phenobarbital
Levodopa and protein
Dietary protein delays absorption of levodopa
MAO inhibitors
HTN crisis can develop if pt eats tyramine
Lithium and Na
Lithium excretion is ubcreased and decreased by high and low Na diets
Appetite and SSRI
Temporary appetite suppression with initiation of SSRIs may develop
Laxatives and electrolytes
laxatives decrease electrolyte absorption
Laxatives and milk
Laxatives will dissolve in stomach rather than SI causing gastritis
Mineral oil and fats
Mineral oil decreases fat soluble vitamin absorption
Antacids and phosphates
Aluminum containing antacids decrease phosphate absorption
Proteins/carbs and theophylline
Proteins and carbs alter the hepatic clearance of theophylline
Food plus theophylline
Food may induce dose dumping of theophylline
Caffeine plus theophylline
caffeine increases serum theophylline concentration
Antineoplastics and appetite
Antineoplastics tend to cause appetite suppression leading to weight loss
Author
bigfootedbertha
ID
89133
Card Set
Geriatric Nutrition-Drug Interactions
Description
for upcoming geriatrics exam
Updated
2011-06-04T20:37:04Z
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