Foods to Avoid with Certain Drugs/Herbs

Foods to Avoid with Certain Drugs/Herbs
Drug/Herb	Avoid or Moderate
ACE inhibitors	Potassium-containing salt substitute
Ampicillin	Carbonated beverages, acidic juices
Aspirin	Feverfew, ginkgo, green tea
Barbiturates	Valerian
Calcium-channel blockers	Grapefruit juice
Cloxacillin	Carbonated beverages, acidic juices
Cyclosporine	Grapefruit juice, potassium-containing salt substitute
Digoxin	High-fiber foods and meals
Enteric-coated pills	Excess milk, hot beverages, alcohol
Fluoroquinolones	Foods high in calcium, iron, or zinc (dairy and red meat)
Hemorrhoid medications	Saw palmetto
Indomethacin	Potassium-containing salt substitute
Isoniazid	High-carbohydrate foods
Levodopa	Excess protein
Lithium	Significant increase or decrease in sodium intake
MAO inhibitors	Foods containing tyramine
Methyldopa	Excess protein
NSAIDs	Asian ginseng, ginkgo
Penicillin G	Carbonated beverages, acidic juices
Phenytoin	Excess protein
Potassium-sparing diuretics	Potassium-containing salt substitute
“Statin” drugs	Grapefruit and grapefruit juice
Tetracycline	Iron-rich food or supplements, calcium
Theophylline	Excess protein
Warfarin (Coumadin)	Vitamin K–rich foods and supplements, Asian ginseng, feverfew, garlic, ginger, ginkgo, St. John’s wort, green tea
Zidovudine	Excess fat